A cool automatic completion plugin
http://twitter.github.io/typeahead.js
Use the typeahead plugin in bootstrap to complete automatic completion
Related documentation: https://github.com/twitter/typeahead.js/blob/master/doc/jquery_typeahead.md
Data source:
Local: Array
Prefectch:json
Remote and other methods
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html:
<input id="orderNo" placeholder="Countries" type="text" name="ordersn">
js:
var states = new Bloodhound({datumTokenizer: Bloodhound.tokenizers.whitespace,queryTokenizer: Bloodhound.tokenizers.whitespace,// `states` is an array of state names defined in "The Basics"local: states});var findOrderByIdVague = new Bloodhound({datumTokenizer: Bloodhound.tokenizers.obj.whitespace('value'),queryTokenizer: Bloodhound.tokenizers.whitespace,prefetch: '${ctx}/admin/order/preOrderByIdVague.json',remote: {url: '${ctx}/admin/order/findOrderByIdVague/%QUERY.json',wildcard: '%QUERY'},afterSelect: function (item) {//The event after the selection item, the item is currently selected. alert(item);}});$(function(){/**$('#addCombo .typeahead').typeahead({hint: true,highlight: true,minLength: 1},{name: 'states',source: states});**/$('#addCombo .typeahead').typeahead(null, {name: 'best-pictures',display: 'value',source: findOrderByIdVague});$('#addCombo .typeahead').bind('typeahead:select',function(ev, suggestion) {console.log('Selection: ' + suggestion.value);});}); …findOrderByIdVague/D20150502.json:[ {"value" : "D20150502173435141299"}, {"value" : "D20150502172928109304"} ]preOrderByIdVague.json:
[{"value":"D201"}]docs related events:
Custom EventsThe following events get triggered on the input element during the life-cycle of a typeahead.typeahead:active Fired when the typeahead moves to active state.typeahead:idle Fired when the typeahead moves to idle state.typeahead:open Fired when the results container is opened.typeahead:close Fired when the results container is closed.typeahead:change Normalized version of the native change event. Fired when input loses focus and the value has changed since it originally received focus.typeahead:render Fired when suggestions are rendered for a dataset. The event handler will be invoked with 4 arguments: the jQuery event object, the suggestions that were rendered, a flag indicating whether the suggestions were fetched asynchronously, and the name of the dataset the rendering occurred in.typeahead:select Fired when a suggestion is selected. The event handler will be invoked with 2 arguments: the jQuery event object and the suggestion object that was selected.typeahead:autocomplete Fired when a autocomplete occurs. The event handler will be invoked with 2 arguments: the jQuery event object and the suggestion object that was used for autocomplete.typeahead:cursorchange Fired when the results container cursor moves. The event handler will be invoked with 2 arguments: the jQuery event object and the suggestion object that was moved to.typeahead:asyncrequest Fired when an async request for suggestions is sent. The event handler will be invoked with 3 arguments: the jQuery event object, the current query, and the name of the dataset the async request belongs to.typeahead:asynccancel Fired when an async request is cancelled. The event handler will be invoked with 3 arguments: the jQuery event object, the current query, and the name of the dataset the async request belonged to.typeahead:asyncreceive Fired when an async request completes. The event handler will be invoked with 3 arguments: the jQuery event object, the current query, and the name of the dataset the async request belongs to.Example usage:$('.typeahead').bind('typeahead:select', function(ev, suggestion) {console.log('Selection: ' + suggestion);});typeahead.bundle.js:
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navigator.userAgent.match(/(msie |rv:)(/d+(./d+)?)/i)[2] : false;},isBlankString: function(str) {return !str || /^/s*$/.test(str);},escapeRegExChars: function(str) {return str.replace(/[/-/[/]///{/}/(/)/*/+/?/.///^/$/|]/g, "//$&");},isString: function(ob j) {return typeof obj === "string";},isNumber: function(obj) {return typeof obj === "number";},isArray: $.isArray,isFunction: $.isFunction,isObject: $.isPlainObject,isUndefined: function(obj) {return typeof obj === "undefined";},isElement: function(obj) {return !!(obj && obj.nodeType === 1);},isJQuery: function(obj) {return obj instanceof $;},toStr: function toStr(s) {return _.isUndefined(s) || s === null ? "" : s + "";},bind: $.proxy,each: function(collection, cb) {$.each(collection, reverseArgs);function reverseArgs(index, value) {return cb(value, index);}},map: $.map,filter: $.grep,every: function(obj, test) {var result = true;if (!obj) {return result;}$.each(obj, function(key, val) {if (!(result = test.call(null, val, key, obj))) {return false;}});return !!result;},some: function(obj, test) {var result = false;if (!obj) {return result;}$.each(obj, function(key, val) {if (result = test.call(null, val, key, obj)) {return false;}});return !!result;},mixin: $.extend,identity: function(x) {return x;},clone: function(obj) {return $.extend(true, {}, obj);},getIdGenerator: function() {var counter = 0;return function() {return counter++;};},templatify: function templatify(obj) {return $.isFunction(obj) ? obj : template;function template() {return String(obj);}},defer: function(fn) {setTimeout(fn, 0);},debounce: function(func, wait, immediate) {var timeout, result;return function() {var context = this, args = arguments, later, callNow;later = function() {timeout = null;if (!immediate) {result = func.apply(context, args);}};callNow = immediate && !timeout;clearTimeout(timeout);timeout = setTimeout(later, wait);if (callNow) {result = func.apply(context, args);}return result;};},throttle: function(func, wait) {var context, args, timeout, result, previous, later; previous = 0;later = function() {previous = new Date(); timeout = null;result = func.apply(context, args);};return function() {var now = new Date(), remaining = wait - (now - previous);context = this;args = arguments;if (remaining <= 0) {clearTimeout(timeout);timeout = null;previous = now;result = func.apply(context, args);} else if (!timeout) {timeout = setTimeout(later, remaining);}return result;};},stringify: function(val) {return _.isString(val) ? val : JSON.stringify(val);},noop: function() {}};}();var WWW = function() {"use strict";var defaultClassNames = {wrapper: "twitter-typeahead",input: "tt-input",hint: "tt-hint",menu: "tt-menu",dataset: "tt-dataset",suggestion: "tt-suggestion",selectable: "tt-selectable",empty: "tt-empty",open: "tt-open",cursor: "tt-cursor",highlight: "tt-highlight"};return build;function build(o) {var www, classes;classes = _.mixin({}, defaultClassNames, o);www = {css: buildCss(),classes: classes,html: buildHtml(classes),selectors: buildSelectors(classes)};return {css: www.css,html: www.html,classes: www.classes,selectors: www.selectors,mixin: function(o) {_.mixin(o, www);}};}function buildHtml(c) {return {wrapper: '<span></span>',menu: '<div></div>'};}function buildSelectors(classes) {var selectors = {};_.each(classes, function(v, k) {selectors[k] = "." + v;});return selectors;}function buildCss() {var css = {wrapper: {position: "relative",display: "inline-block"},hint: {position: "absolute",top: "0",left: "0",borderColor: "transparent",boxShadow: "none",opacity: "1"},input: {position: "relative",verticalAlign: "top",backgroundColor: "transparent"},inputWithNoHint: {position: "relative",verticalAlign: "top"},menu: {position: "absolute",top: "100%",left: "0",zIndex: "100",display: "none"},ltr: {left: "0",right: "auto"},rtl: {left: "auto",right: "0"}};if (_.isMsie()) {_.mixin(css.input, {backgroundImage: "url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAAAAP///yH5BAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIBRAA7)"});} return css;}}();var EventBus = function() {"use strict";var namespace, deprecationMap;namespace = "typeahead:";deprecationMap = {render: "rendered",cursorchange: "cursorchanged",select: "selected",autocomplete: "autocompleted"};function EventBus(o) {if (!o || !o.el) {$.error("EventBus initialized without el");}this.$el = $(o.el);}_.mixin(EventBus.prototype, {_trigger: function(type, args) {var $e;$e = $.Event(namespace + type);(args = args || []).unshift($e);this.$el.trigger.apply(this.$el, args);return $e;},before: function(type) {var args, $e;args = [].slice.call(arguments, 1);$e = this._trigger("before" + type, args);return $e.isDefaultPrevented();},trigger: function(type) {var deprecatedType;this._trigger(type, [].slice.call(arguments, 1));if (deprecatedType = deprecationMap[type]) {this._trigger(deprecatedType, [].slice.call(arguments, 1));}}});return EventBus;}();var EventEmitter = function() {"use strict";var splitter = //s+/, nextTick = getNextTick();return {onSync: onSync,onAsync: onAsync,off: off,trigger: trigger};function on(method, types, cb, context) {var type;if (!cb) {return this;}types = types.split(splitter);cb = context ? bindContext(cb, context) : cb;this._callbacks = this._callbacks || {};while (type = types.shift()) {this._callbacks[type] = this._callbacks[type] || {sync: [],async: []};this._callbacks[type][method].push(cb);}return this;}function onAsync(types, cb, context) {return on.call(this, "async", types, cb, context);}function onSync(types, cb, context) {return on.call(this, "sync", types, cb, context);}function off(types) {var type;if (!this._callbacks) {return this;}types = types.split(splitter); while (type = types.shift()) {delete this._callbacks[type];}return this;}function trigger(types) {var type, callbacks, args, syncFlush, asyncFlush;if (!this._callbacks) {return this;}types = types.split(splitter);args = [].slice.call(arguments, 1);while ((type = types.shift()) && (callbacks = this._callbacks[type])) {syncFlush = getFlush(callbacks.sync, this, [ type ].concat(args));asyncFlush = getFlush(callbacks.async, this, [ type ].concat(args));syncFlush() && nextTick(asyncFlush);}return this;}function getFlush(callbacks, context, args) {return flush;function flush() {var cancelled;for (var i = 0, len = callbacks.length; !cancelled && i < len; i += 1) {cancelled = callbacks[i].apply(context, args) === false;}return !cancelled;}}function getNextTick() {var nextTickFn;if (window.setImmediate) {nextTickFn = function nextTickSetImmediate(fn) {setImmediate(function() {fn();});} else {nextTickFn = function nextTickSetTimeout(fn) {setTimeout(function() {fn();}, 0);};} return nextTickFn;}function bindContext(fn, context) {return fn.bind ? fn.bind(context) : function() {fn.apply(context, [].slice.call(arguments, 0));};}}();var highlight = function(doc) {"use strict";var defaults = {node: null,pattern: null,tagName: "strong",className: null,wordsOnly: false,caseSensitive: false};return function highlight(o) {var regex;o = _.mixin({}, defaults, o);if (!o.node || !o.pattern) {return;}o.pattern = _.isArray(o.pattern) ? o.pattern : [ o.pattern ];regex = getRegex(o.pattern, o.caseSensitive, o.wordsOnly);traverse(o.node, hightlightTextNode);function hightlightTextNode(textNode) {var match, patternNode, wrapperNode;if (match = regex.exec(textNode.data)) {wrapperNode = doc.createElement(o.tagName);o.className && (wrapperNode.className = o.className);patternNode = textNode.splitText(match.index);patternNode.splitText(match[0].length);wrapperNode.appendChild(patternNode.cloneNode(true));textNode.parentNode.replaceChild(wrapperNode, patternNode);}return !!match;}function traverse(el, hightlightTextNode) {var childNode, TEXT_NODE_TYPE = 3;for (var i = 0; i < el.childNodes.length; i++) {childNode = el.childNodes[i];if (childNode.nodeType === TEXT_NODE_TYPE) {i += hightlightTextNode(childNode) ? 1 : 0;} else {traverse(childNode, hightlightTextNode);}}}};function getRegex(patterns, caseSensitive, wordsOnly) {var escapedPatterns = [], regexStr;for (var i = 0, len = patterns.length; i < len; i++) {escapedPatterns.push(_.escapeRegExChars(patterns[i]));}regexStr = wordsOnly ? "//b(" + escapedPatterns.join("|") + ")//b" : "(" + escapedPatterns.join("|") + ")";return caseSensitive ? new RegExp(regexStr) : new RegExp(regexStr, "i");}}(window.document);var Input = function() {"use strict";var specialKeyCodeMap;specialKeyCodeMap = {9: "tab",27: "esc",37: "left",39: "right",13: "enter",38: "up",40: "down"};function Input(o, www) {o = o || {};if (!o.input) {$.error("input is missing");}www.mixin(this);this.$hint = $(o.hint);this.$input = $(o.input);this.query = this.$input.val();this.queryWhenFocused = this.hasFocus() ? this.query : null;this.$overflowHelper = buildOverflowHelper(this.$input);this._checkLanguageDirection();if (this.$hint.length === 0) {this.setHint = this.getHint = this.clearHint = this.clearHintIfInvalid = _.noop;}}Input.normalizeQuery = function(str) {return _.toStr(str).replace(/^/s*/g, "").replace(//s{2,}/g, " ");};_.mixin(Input.prototype, EventEmitter, {_onBlur: function onBlur() {this.resetInputValue();this.trigger("blurred");},_onFocus: function onFocus() {this.queryWhenFocused = this.query;this.trigger("focused");},_onKeydown: function onKeydown($e) {var keyName = specialKeyCodeMap[$e.which || $e.keyCode];this._managePreventDefault(keyName, $e);if (keyName && this._shouldTrigger(keyName, $e)) {this.trigger(keyName + "Keyed", $e);}},_onInput: function onInput() {this._setQuery(this.getInputValue());this.clearHintIfInvalid();this._checkLanguageDirection();},_managePreventDefault: function managePreventDefault(keyName, $e) {var preventDefault;switch (keyName) {case "up":case "down":preventDefault = !withModifier($e);break;default:preventDefault = false;}preventDefault && $e.preventDefault();},_shouldTrigger: function shouldTrigger(keyName, $e) {var trigger;switch (keyName) {case "tab":trigger = !withModifier($e);break;default:trigger = true;}return trigger;},_checkLanguageDirection: function checkLanguageDirection() {var dir = (this.$input.css("direction") || "ltr").toLowerCase();if (this.dir !== dir) {this.dir = dir;this.$hint.attr("dir", dir);this.trigger("langDirChanged", dir);}},_setQuery: function setQuery(val, silent) {var areEquivalent, hasDifferentWhitespace;areEquivalent = areQueriesEquivalent(val, this.query);hasDifferentWhitespace = areEquivalent ? this.query.length !== val.length : false;this.query = val;if (!silent && !areEquivalent) {this.trigger("queryChanged", this.query);} else if (!silent && hasDifferentWhitespace) {this.trigger("whitespaceChanged", this.query);}},bind: function() {var that = this, onBlur, onFocus, onKeydown, onInput;onBlur = _.bind(this._onBlur, this);onFocus = _.bind(this._onFocus, this);onKeydown = _.bind(this._onKeydown, this);onInput = _.bind(this._onInput, this);this.$input.on("blur.tt", onBlur).on("focus.tt", onFocus).on("keydown.tt", onKeydown);if (!_.isMsie() || _.isMsie() > 9) {this.$input.on("input.tt", onInput);} else {this.$input.on("keydown.tt keypress.tt cut.tt paste.tt", function($e) {if (specialKeyCodeMap[$e.which || $e.keyCode]) {return;}_.defer(_.bind(that._onInput, that, $e));});}return this;},focus: function focus() {this.$input.focus();},blur: function blur() {this.$input.blur();},getLangDir: function getLangDir() {return this.dir;},getQuery: function getQuery() {return this.query || "";},setQuery: function setQuery(val, silent) {this.setInputValue(val);this._setQuery(val, silent);},hasQueryChangedSinceLastFocus: function hasQueryChangedSinceLastFocus() {return this.query !== this.queryWhenFocused;},getInputValue: function getInputValue() {return this.$input.val();},setInputValue: function setInputValue(value) {this.$input.val(value);this.clearHintIfInvalid();this._checkLanguageDirection();},resetInputValue: function resetInputValue() {this.setInputValue(this.query);},getHint: function getHint() {return this.$hint.val();},setHint: function setHint(value) {this.$hint.val(value);},clearHint: function clearHint() {this.setHint("");},clearHintIfInvalid: function clearHintIfInvalid() {var val, hint, valIsPrefixOfHint, isValid;val = this.getInputValue();hint = this.getHint();valIsPrefixOfHint = val !== hint && hint.indexOf(val) === 0;isValid = val !== "" && valIsPrefixOfHint && !this.hasOverflow();!isValid && this.clearHint();},hasFocus: function hasFocus() {return this.$input.is(":focus");},hasOverflow: function hasOverflow() {var constraint = this.$input.width() - 2;this.$overflowHelper.text(this.getInputValue());return this.$overflowHelper.width() >= constraint;},isCursorAtEnd: function() {var valueLength, selectionStart, range;valueLength = this.$input.val().length;selectionStart = this.$input[0].selectionStart;if (_.isNumber(selectionStart)) {return selectionStart === valueLength;} else if (document.selection) {range = document.selection.createRange();range.moveStart("character", -valueLength);return valueLength === range.text.length;}return true;},destroy: function destroy() {this.$hint.off(".tt");this.$input.off(".tt");this.$overflowHelper.remove();this.$hint = this.$input = this.$overflowHelper = $("<div>");}});return Input;function buildOverflowHelper($input) {return $('<pre aria-hidden="true"></pre>').css({position: "absolute",visibility: "hidden",whiteSpace: "pre",fontFamily: $input.css("font-family"),fontSize: $input.css("font-size"),fontStyle: $input.css("font-style"),fontVariant: $input.css("font-variant"),fontWeight: $input.css("font-weight"),wordSpacing: $input.css("word-spacing"),letterSpacing: $input.css("letter-spacing"),textIndent: $input.css("text-indent"),textRendering: $input.css("text-rendering"),textTransform: $input.css("text-transform")}).insertAfter($input);}function areQueriesEquivalent(a, b) {return Input.normalizeQuery(a) === Input.normalizeQuery(b);}function withModifier($e) {return $e.altKey || $e.ctrlKey || $e.metaKey || $e.shiftKey;}}();var Dataset = function() {"use strict";var keys, nameGenerator;keys = {val: "tt-selectable-display",obj: "tt-selectable-object"};nameGenerator = _.getIdGenerator();function Dataset(o, www) {o = o || {};o.templates = o.templates || {};o.templates.notFound = o.templates.notFound || o.templates.empty;if (!o.source) {$.error("missing source");}if (!o.node) {$.error("missing node");}if (o.name && !isValidName(o.name)) {$.error("invalid dataset name: " + o.name);}www.mixin(this);this.highlight = !!o.highlight;this.name = o.name || nameGenerator();this.limit = o.limit || 5;this.displayFn = getDisplayFn(o.display || o.displayKey);this.templates = getTemplates(o.templates, this.displayFn);this.source = o.source.__ttAdapter ? o.source.__ttAdapter() : o.source;this.async = _.isUndefined(o.async) ? this.source.length > 2 : !!o.async;this._resetLastSuggestion();this.$el = $(o.node).addClass(this.classes.dataset).addClass(this.classes.dataset + "-" + this.name);}Dataset.extractData = function extractData(el) {var $el = $(el);if ($el.data(keys.obj)) {return {val: $el.data(keys.val) || "",obj: $el.data(keys.obj) || null};}return null;};_.mixin(Dataset.prototype, EventEmitter, {_overwrite: function overwrite(query, suggestions) {suggestions = suggestions || [];if (suggestions.length) {this._renderSuggestions(query, suggestions);} else if (this.async && this.templates.pending) {this._renderPending(query);} else if (!this.async && this.templates.notFound) {this._renderNotFound(query);} else {this._empty();}this.trigger("rendered", this.name, suggestions, false);},_append: function append(query, suggestions) {suggestions = suggestions || [];if (suggestions.length && this.$lastSuggestion.length) {this._appendSuggestions(query, suggestions);} else if (suggestions.length) {this._renderSuggestions(query, suggestions);} else if (!this.$lastSuggestion.length && this.templates.notFound) {this._renderNotFound(query);}this.trigger("rendered", this.name, suggestions, true);},_renderSuggestions: function renderSuggestions(query, suggestions) {var $fragment;$fragment = this._getSuggestionsFragment(query, suggestions);this.$lastSuggestion = $fragment.children().last();this.$el.html($fragment).prepend(this._getHeader(query, suggestions)).append(this._getFooter(query, suggestions));},_appendSuggestions: function appendSuggestions(query, suggestions) {var $fragment, $lastSuggestion;$fragment = this._getSuggestionsFragment(query, suggestions);$lastSuggestion = $fragment.children().last();this.$lastSuggestion.after($fragment);this.$lastSuggestion = $lastSuggestion;},_renderPending: function renderPending(query) {var template = this.templates.pending;this._resetLastSuggestion();template && this.$el.html(template({query: query,dataset: this.name}));},_renderNotFound: function renderNotFound(query) {var template = this.templates.notFound;this._resetLastSuggestion();template && this.$el.html(template({query: query,dataset: this.name}));},_empty: function empty() {this.$el.empty();this._resetLastSuggestion();},_getSuggestionsFragment: function getSuggestionsFragment(query, suggestions) {var that = this, fragment;fragment = document.createDocumentFragment();_.each(suggestions, function getSuggestionNode(suggestion) {var $el, context;context = that._injectQuery(query, suggestion);$el = $(that.templates.suggestion(context)).data(keys.obj, suggestion).data(keys.val, that.displayFn(suggestion)).addClass(that.classes.suggestion + " " + that.classes.selectable);fragment.appendChild($el[0]);});this.highlight && highlight({className: this.classes.highlight,node: fragment,pattern: query});return $(fragment);},_getFooter: function getFooter(query, suggestions) {return this.templates.footer ? this.templates.footer({query: query,suggestions: suggestions,dataset: this.name}) : null;},_getHeader: function getHeader(query, suggestions) {return this.templates.header ? this.templates.header({query: query,suggestions: suggestions,dataset: this.name}) : null;},_resetLastSuggestion: function resetLastSuggestion() {this.$lastSuggestion = $();},_injectQuery: function injectQuery(query, obj) {return _.isObject(obj) ? _.mixin({_query: query}, obj) : obj;},update: function update(query) {var that = this, canceled = false, syncCalled = false, rendered = 0;this.cancel();this.cancel = function cancel() {canceled = true;that.cancel = $.noop;that.async && that.trigger("asyncCanceled", query);};this.source(query, sync, async);!syncCalled && sync([]);function sync(suggestions) {if (syncCalled) {return;}syncCalled = true;suggestions = (suggestions || []).slice(0, that.limit);rendered = suggestions.length;that._overwrite(query, suggestions);if (rendered < that.limit && that.async) {that.trigger("asyncRequested", query);}}function async(suggestions) {suggestions = suggestions || [];if (!canceled && rendered < that.limit) {that.cancel = $.noop;rendered += suggestions.length;that._append(query, suggestions.slice(0, that.limit - rendered));that.async && that.trigger("asyncReceived", query);}}},cancel: $.noop,clear: function clear() {this._empty();this.cancel();this.trigger("cleared");},isEmpty: function isEmpty() {return this.$el.is(":empty");},destroy: function destroy() {this.$el = $("<div>");}});return Dataset;function getDisplayFn(display) {display = display || _.stringify;return _.isFunction(display) ? display : displayFn;function displayFn(obj) {return obj[display];}}function getTemplates(templates, displayFn) {return {notFound: templates.notFound && _.templatify(templates.notFound),pending: templates.pending && _.templatify(templates.pending),header: templates.header && _.templatify(templates.header),footer: templates.footer && _.templatify(templates.footer),suggestion: templates.suggestion || suggestionTemplate};function suggestionTemplate(context) {return $("<div>").text(displayFn(context));}}function isValidName(str) {return /^[_a-zA-Z0-9-]+$/.test(str);}}();var Menu = function() {"use strict";function Menu(o, www) {var that = this;o = o || {};if (!o.node) {$.error("node is required");}www.mixin(this);this.$node = $(o.node);this.query = null;this.datasets = _.map(o.datasets, initializeDataset);function initializeDataset(oDataset) {var node = that.$node.find(oDataset.node).first();oDataset.node = node.length ? node : $("<div>").appendTo(that.$node);return new Dataset(oDataset, www);}}_.mixin (Menu.prototype, EventEmitter, {_onSelectableClick: function onSelectableClick($e) {this.trigger("selectableClicked", $($e.currentTarget));},_onRendered: function onRendered(type, dataset, suggestions, async) {this.$node.toggleClass(this.classes.empty, this._allDatasetsEmpty());this.trigger("datasetRendered", dataset, suggestions, async);},_onCleared: function onCleared() {this.$node.toggleClass(this.classes.empty, this._allDatasetsEmpty());this.trigger("datasetCleared");},_propagate: function propagate() {this.trigger.apply(this, arguments);},_allDatasetsEmpty: function allDatasetsEmpty() {return _.every(this.datasets, isDatasetEmpty);function isDatasetEmpty(dataset) {return dataset.isEmpty();}},_getSelectables: function getSelectables() {return this.$node.find(this.selectors.selectable);},_removeCursor: function _removeCursor() {var $selectable = this.getActiveSelectable();$selectable && $selectable.removeClass(this.classes.cursor);},_ensureVisible: function ensureVisible($el) {var elTop, elBottom, nodeScrollTop, nodeHeight;elTop = $el.position().top;elBottom = elTop + $el.outerHeight(true);nodeScrollTop = this.$node.scrollTop();nodeHeight = this.$node.height() + parseInt(this.$node.css("paddingTop"), 10) + parseInt(this.$node.css("paddingBottom"), 10);if (elTop < 0) {this.$node.scrollTop(nodeScrollTop + elTop);} else if (nodeHeight < elBottom) {this.$node.scrollTop(nodeScrollTop + (elBottom - nodeHeight));}},bind: function() {var that = this, onSelectableClick;onSelectableClick = _.bind(this._onSelectableClick, this);this.$node.on("click.tt", this.selectors.selectable, onSelectableClick);_.each(this.datasets, function(dataset) {dataset.onSync("asyncRequested", that._propagate, that).onSync("asyncCanceled", that._propagate, that).onSync("asyncReceived", that._propagate, that).onSync("rendered", that._onRendered, that).onSync("cleared", that._onCleared, that);});return this;},isOpen: function isOpen() {return this.$node.hasClass(this.classes.open);},open: function open() {this.$node.addClass(this.classes.open);},close: function close() {this.$node.removeClass(this.classes.open);this._removeCursor();},setLanguageDirection: function setLanguageDirection(dir) {this.$node.attr("dir", dir);},selectableRelativeToCursor: function selectableRelativeToCursor(delta) {var $selectables, $oldCursor, oldIndex, newIndex;$oldCursor = this.getActiveSelectable();$selectables = this._getSelectables();oldIndex = $oldCursor ? $selectables.index($oldCursor) : -1;newIndex = oldIndex + delta;newIndex = (newIndex + 1) % ($selectables.length + 1) - 1;newIndex = newIndex < -1 ? $selectables.length - 1 : newIndex;return newIndex === -1 ? null : $selectables.eq(newIndex);},setCursor: function setCursor($selectable) {this._removeCursor();if ($selectable = $selectable && $selectable.first()) {$selectable.addClass(this.classes.cursor);this._ensureVisible($selectable);}},getSelectableData: function getSelectableData($el) {return $el && $el.length ? Dataset.extractData($el) : null;},getActiveSelectable: function getActiveSelectable() {var $selectable = this._getSelectables().filter(this.selectors.cursor).first();return $selectable.length ? $selectable : null;},getTopSelectable: function getTopSelectable() {var $selectable = this._getSelectables().first();return $selectable.length ? $selectable : null;},update: function update(query) {var isValidUpdate = query !== this.query;if (isValidUpdate) {this.query = query;_.each(this.datasets, updateDataset);}return isValidUpdate;function updateDataset(dataset) {dataset.update(query);}},empty: function empty() {_.each(this.datasets, clearDataset);this.query = null;this.$node.addClass(this.classes.empty);function clearDataset(dataset) {dataset.clear();}},destroy: function destroy() {this.$node.off(".tt");this.$node = $("<div>");_.each(this.datasets, destroyDataset);function destroyDataset(dataset) {dataset.destroy();}}});return Menu;}();var DefaultMenu = function() {"use strict";var s = Menu.prototype;function DefaultMenu() {Menu.apply(this, [].slice.call(arguments, 0));}_.mixin(DefaultMenu.prototype, Menu.prototype, {open: function open() {!this._allDatasetsEmpty() && this._show();return s.open.apply(this, [].slice.call(arguments, 0));},close: function close() {this._hide();return s.close.apply(this, [].slice.call(arguments, 0));},_onRendered: function onRendered() {if (this._allDatasetsEmpty()) {this._hide();} else {this.isOpen() && this._show();}return s._onRendered.apply(this, [].slice.call(arguments, 0));},_onCleared: function onCleared() {if (this._allDatasetsEmpty()) {this._hide();} else {this.isOpen() && this._show();}return s._onCleared.apply(this, [].slice.call(arguments, 0));},setLanguageDirection: function setLanguageDirection(dir) {this.$node.css(dir === "ltr" ? this.css.ltr : this.css.rtl);return s.setLanguageDirection.apply(this, [].slice.call(arguments, 0));},_hide: function hide() {this.$node.hide();},_show: function show() {this.$node.css("display", "block");}});return DefaultMenu;}();var Typeahead = function() {"use strict";function Typeahead(o, www) {var onFocused, onBlurred, onEnterKeyed, onTabKeyed, onEscKeyed, onUpKeyed, onDownKeyed, onLeftKeyed, onRightKeyed, onQueryChanged, onWhitespaceChanged;o = o || {};if (!o.input) {$.error("missing input");}if (!o.menu) {$.error("missing menu");}if (!o.eventBus) {$.error("missing event bus");}www.mixin(this);this.eventBus = o.eventBus;this.minLength = _.isNumber(o.minLength) ? o.minLength : 1;this.input = o.input;this.menu = o.menu;this.enabled = true;this.active = false;this.input.hasFocus() && this.activate();this.dir = this.input.getLangDir();this._hacks();this.menu.bind().onSync("selectableClicked", this._onSelectableClicked, this).onSync("asyncRequested", this._onAsyncRequested, this).onSync("asyncCanceled", this._onAsyncCanceled, this).onSync("asyncReceived", this._onAsyncReceived, this).onSync("datasetRendered", this._onDatasetRendered, this).onSync("datasetCleared", this._onDatasetCleared, this);onFocused = c(this, "activate", "open", "_onFocused");onBlurred = c(this, "deactivate", "_onBlurred");onEnterKeyed = c(this, "isActive", "isOpen", "_onEnterKeyed");onTabKeyed = c(this, "isActive", "isOpen", "_onTabKeyed");onEscKeyed = c(this, "isActive", "_onEscKeyed");onUpKeyed = c(this, "isActive", "open", "_onUpKeyed");onDownKeyed = c(this, "isActive", "open", "_onDownKeyed");onLeftKeyed = c(this, "isActive", "isOpen", "_onLeftKeyed");onRightKeyed = c(this, "isActive", "isOpen", "_onRightKeyed");onQueryChanged = c(this, "_openIfActive", "_onQueryChanged");onWhitespaceChanged = c(this, "_openIfActive", "_onWhitespaceChanged");this.input.bind().onSync("focused", onFocused, this).onSync("blurred", onBlurred, this).onSync("enterKeyed", onEnterKeyed, this).onSync("tabKeyed", onTabKeyed, this).onSync("escKeyed", onEscKeyed, this).onSync("upKeyed", onUpKeyed, this).onSync("downKeyed", onDownKeyed, this).onSync("leftKeyed", onLeftKeyed, this).onSync("rightKeyed", onRightKeyed, this).onSync("queryChanged", onQueryChanged, this).onSync("whitespaceChanged", onWhitespaceChanged, this).onSync("langDirChanged", this._onLangDirChanged, this);}_.mixin(Typeahead.prototype, {_hacks: function hacks() {var $input, $menu;$input = this.input.$input || $("<div>");$menu = this.menu.$node || $("<div>");$input.on("blur.tt", function($e) {var active, isActive, hasActive;active = document.activeElement;isActive = $menu.is(active);hasActive = $menu.has(active).length > 0;if (_.isMsie() && (isActive || hasActive)) {$e.preventDefault();$e.stopImmediatePropagation();_.defer(function() {$input.focus();});}});$menu.on("mousedown.tt", function($e) {$e.preventDefault();});},_onSelectableClicked: function onSelectableClicked(type, $el) {this.select($el);},_onDatasetCleared: function onDatasetCleared() {this._updateHint();},_onDatasetRendered: function onDatasetRendered(type, dataset, suggestions, async) {this._updateHint();this.eventBus.trigger("render", suggestions, async, dataset);},_onAsyncRequested: function onAsyncRequested(type, dataset, query) {this.eventBus.trigger("asyncrequest", query, dataset);},_onAsyncCanceled: function onAsyncCanceled(type, dataset, query) {this.eventBus.trigger("asynccancel", query, dataset);},_onAsyncReceived: function onAsyncReceived(type, dataset, query) {this.eventBus.trigger("asyncreceive", query, dataset);},_onFocused: function onFocused() {this._minLengthMet() && this.menu.update(this.input.getQuery());},_onBlurred: function onBlurred() {if (this.input.hasQueryChangedSinceLastFocus()) {this.eventBus.trigger("change", this.input.getQuery());}},_onEnterKeyed: function onEnterKeyed(type, $e) {var $selectable;if ($selectable = this.menu.getActiveSelectable()) {this.select($selectable) && $e.preventDefault();}},_onTabKeyed: function onTabKeyed(type, $e) {var $selectable;if ($selectable = this.menu.getActiveSelectable()) {this.select($selectable) && $e.preventDefault();} else if ($selectable = this.menu.getTopSelectable()) {this.autocomplete($selectable) && $e.preventDefault();}},_onEscKeyed: function onEscKeyed() {this.close();},_onUpKeyed: function onUpKeyed() {this.moveCursor(-1);},_onDownKeyed: function onDownKeyed() {this.moveCursor(+1);},_onLeftKeyed: function onLeftKeyed() {if (this.dir === "rtl" && this.input.isCursorAtEnd()) {this.autocomplete(this.menu.getTopSelectable());}},_onRightKeyed: function onRightKeyed() {if (this.dir === "ltr" && this.input.isCursorAtEnd()) {this.autocomplete(this.menu.getTopSelectable());}},_onQueryChanged: function onQueryChanged(e, query) {this._minLengthMet(query) ? this.menu.update(query) : this.menu.empty();},_onWhitespaceChanged: function onWhitespaceChanged() {this._updateHint();},_onLangDirChanged: function onLangDirChanged(e, dir) {if (this.dir !== dir) {this.dir = dir;this.menu.setLanguageDirection(dir);}},_openIfActive: function openIfActive() {this.isActive() && this.open();},_minLengthMet: function minLengthMet(query) {query = _.isString(query) ? query : this.input.getQuery() || "";return query.length >= this.minLength;},_updateHint: function updateHint() {var $selectable, data, val, query, escapedQuery, frontMatchRegEx, match;$selectable = this.menu.getTopSelectable();data = this.menu.getSelectableData($selectable);val = this.input.getInputValue();if (data && !_.isBlankString(val) && !this.input.hasOverflow()) {query = Input.normalizeQuery(val);escapedQuery = _.escapeRegExChars(query);frontMatchRegEx = new RegExp("^(?:" + escapedQuery + ")(.+$)", "i");match = frontMatchRegEx.exec(data.val);match && this.input.setHint(val + match[1]);} else {this.input.clearHint();}},isEnabled: function isEnabled() {return this.enabled;},enable: function enable() {this.enabled = true;},disable: function disable() {this.enabled = false;},isActive: function isActive() {return this.active;},activate: function activate() {if (this.isActive()) {return true;} else if (!this.isEnabled() || this.eventBus.before("active")) {return false;} else {this.active = true;this.eventBus.trigger("active");return true;}},deactivate: function deactivate() {if (!this.isActive()) {return true;} else if (this.eventBus.before("idle")) {return false;} else {this.active = false;this.close();this.eventBus.trigger("idle");return true;}},isOpen: function isOpen() {return this.menu.isOpen();},open: function open() {if (!this.isOpen() && !this.eventBus.before("open")) {this.menu.open();this._updateHint();this.eventBus.trigger("open");}return this.isOpen();},close: function close() {if (this.isOpen() && !this.eventBus.before("close")) {this.menu.close();this.input.clearHint();this.input.resetInputValue();this.eventBus.trigger("close");}return !this.isOpen();},setVal: function setVal(val) {this.input.setQuery(_.toStr(val));},getVal: function getVal() {return this.input.getQuery();},select: function select($selectable) {var data = this.menu.getSelectableData($selectable);if (data && !this.eventBus.before("select", data.obj)) {this.input.setQuery(data.val, true);this.eventBus.trigger("select", data.obj);this.close();return true;}return false;},autocomplete: function autocomplete($selectable) {var query, data, isValid;query = this.input.getQuery();data = this.menu.getSelectableData($selectable);isValid = data && query !== data.val;if (isValid && !this.eventBus.before("autocomplete", data.obj)) {this.input.setQuery(data.val);this.eventBus.trigger("autocomplete", data.obj);return true;}return false;},moveCursor: function moveCursor(delta) {var query, $candidate, data, payload, cancelMove;query = this.input.getQuery();$candidate = this.menu.selectableRelativeToCursor(delta);data = this.menu.getSelectableData($candidate);payload = data ? data.obj : null;cancelMove = this._minLengthMet() && this.menu.update(query);if (!cancelMove && !this.eventBus.before("cursorchange", payload)) {this.menu.setCursor($candidate);if (data) {this.input.setInputValue(data.val);} else {this.input.resetInputValue();this._updateHint();}this.eventBus.trigger("cursorchange", payload);return true;}return false;},destroy: function destroy() {this.input.destroy();this.menu.destroy();}});return Typeahead;function c(ctx) {var methods = [].slice.call(arguments, 1);return function() {var args = [].slice.call(arguments);_.each(methods, function(method) {return ctx[method].apply(ctx, args);});};}}();(function() {"use strict";var old, keys, methods;old = $.fn.typeahead;keys = {www: "tt-www",attrs: "tt-attrs",typeahead: "tt-typeahead"};methods = {initialize: function initialize(o, datasets) {var www;datasets = _.isArray(datasets) ? datasets : [].slice.call(arguments, 1);o = o || {};www = WWW(o.classNames);return this.each(attach);function attach() {var $input, $wrapper, $hint, $menu, defaultHint, defaultMenu, eventBus, input, menu, typeahead, MenuConstructor;_.each(datasets, function(d) {d.highlight = !!o.highlight;});$input = $(this);$wrapper = $(www.html.wrapper);$hint = $elOrNull(o.hint);$menu = $elOrNull(o.menu);defaultHint = o.hint !== false && !$hint;defaultMenu = o.menu !== false && !$menu;defaultHint && ($hint = buildHintFromInput($input, www));defaultMenu && ($menu = $(www.html.menu).css(www.css.menu));$hint && $hint.val("");$input = prepInput($input, www);if (defaultHint || defaultMenu) {$wrapper.css(www.css.wrapper);$input.css(defaultHint ? www.css.input : www.css.inputWithNoHint);$input.wrap($wrapper).parent().prepend(defaultHint ? $hint : null).append(defaultMenu ? $menu : null);}MenuConstructor = defaultMenu ? DefaultMenu : Menu;eventBus = new EventBus({el: $input});input = new Input({hint: $hint,input: $input}, www);menu = new MenuConstructor({node: $menu,datasets: datasets}, www);typeahead = new Typeahead({input: input,menu: menu,eventBus: eventBus,minLength: o.minLength}, www);$input.data(keys.www, www);$input.data(keys.typeahead, typeahead);}},isEnabled: function isEnabled() {var enabled;ttEach(this.first(), function(t) {enabled = t.isEnabled();});return enabled;},enable: function enable() {ttEach(this, function(t) {t.enable();});return this;},disable: function disable() {ttEach(this, function(t) {t.disable();});return this;},isActive: function isActive() {var active;ttEach(this.first(), function(t) {active = t.isActive();});return active;},activate: function activate() {ttEach(this, function(t) {t.activate();});return this;},deactivate: function deactivate() {ttEach(this, function(t) {t.deactivate();});return this;},isOpen: function isOpen() {var open;ttEach(this.first(), function(t) {open = t.isOpen();});return open;},open: function open() {ttEach(this, function(t) {t.open();});return this;},close: function close() {ttEach(this, function(t) {t.close();});return this;},select: function select(el) {var success = false, $el = $(el);ttEach(this.first(), function(t) {success = t.select($el);});return success;},autocomplete: function autocomplete(el) {var success = false, $el = $(el);ttEach(this.first(), function(t) {success = t.autocomplete($el);});return success;},moveCursor: function moveCursoe(delta) {var success = false;ttEach(this.first(), function(t) {success = t.moveCursor(delta);});return success;},val: function val(newVal) {var query;if (!arguments.length) {ttEach(this.first(), function(t) {query = t.getVal();});return query;} else {ttEach(this, function(t) {t.setVal(newVal);});return this;}},destroy: function destroy() {ttEach(this, function(typeahead, $input) {revert($input);typeahead.destroy();});return this;}};$.fn.typeahead = function(method) {if (methods[method]) {return methods[method].apply(this, [].slice.call(arguments, 1));} else {return methods.initialize.apply(this, arguments);}};$.fn.typeahead.noConflict = function noConflict() {$.fn.typeahead = old;return this;};function ttEach($els, fn) {$els.each(function() {var $input = $(this), typeahead;(typeahead = $input.data(keys.typeahead)) && fn(typeahead, $input);});}function buildHintFromInput($input, www) {return $input.clone().addClass(www.classes.hint).removeData().css(www.css.hint).css(getBackgroundStyles($input)).prop("readonly", true).removeAttr("id name placeholder required").attr({autocomplete: "off",spellcheck: "false",tabindex: -1});}function prepInput($input, www) {$input.data(keys.attrs, {dir: $input.attr("dir"),autocomplete: $input.attr("autocomplete"),spellcheck: $input.attr("spellcheck"),style: $input.attr("style")});$input.addClass(www.classes.input).attr({autocomplete: "off",spellcheck: false});try {!$input.attr("dir") && $input.attr("dir", "auto");} catch (e) {}return $input;}function getBackgroundStyles($el) {return {backgroundAttachment: $el.css("background-attachment"),backgroundClip: $el.css("background-clip"),backgroundColor: $el.css("background-color"),backgroundImage: $el.css("background-image"),backgroundOrigin: $el.css("background-origin"),backgroundPosition: $el.css("background-position"),backgroundRepeat: $el.css("background-repeat"),backgroundSize: $el.css("background-size")};}function revert($input) {var www, $wrapper;www = $input.data(keys.www);$wrapper = $input.parent().filter(www.selectors.wrapper);_.each($input.data(keys.attrs), function(val, key) {_.isUndefined(val) ? $input.removeAttr(key) : $input.attr(key, val);});$input.removeData(keys.typeahead).removeData(keys.www).removeData(keys.attr).removeClass(www.classes.input);if ($wrapper.length) {$input.detach().insertAfter($wrapper);$wrapper.remove();}}function $elOrNull(obj) {var isValid, $el;isValid = _.isJQuery(obj) || _.isElement(obj);$el = isValid ? $(obj).first() : [];return $el.length ? $el : null;}})();});typeahead.css：
.typeahead,.tt-query,.tt-hint {width: 396px;height: 30px;padding: 8px 12px;font-size: 24px;line-height: 30px;border: 2px solid #ccc;-webkit-border-radius: 8px;-moz-border-radius: 8px;border-radius: 8px;outline: none;}.typeahead {background-color: #fff;}.typeahead:focus {border: 2px solid #0097cf;}.tt-query {-webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);-moz-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);}.tt-hint {color: #999}.tt-menu {width: 422px;margin: 12px 0;padding: 8px 0;background-color: #fff;border: 1px solid #ccc;border: 1px solid rgba(0, 0, 0, 0.2);-webkit-border-radius: 8px;-moz-border-radius: 8px;border-radius: 8px;-webkit-box-shadow: 0 5px 10px rgba(0,0,0,.2);-moz-box-shadow: 0 5px 10px rgba(0,0,0,.2);box-shadow: 0 5px 10px rgba(0,0,0,.2);}.tt-suggestion {padding: 3px 20px;font-size: 18px;line-height: 24px;}.tt-suggestion:hover {cursor: pointer;color: #fff;background-color: #0097cf;}.tt-suggestion.tt-cursor {color: #fff;background-color: #0097cf;}.tt-suggestion p {margin: 0;}.gist {font-size: 14px;}/* example specific styles *//* ----------------------- */#custom-templates .empty-message {padding: 5px 10px;text-align: center;}#multiple-datasets .league-name {margin: 0 20px 5px 20px;padding: 3px 0;border-bottom: 1px solid #ccc;}#scrollable-dropdown-menu .tt-menu {max-height: 150px;overflow-y: auto;}#rtl-support .tt-menu {text-align: right;}以上所述是小编给大家介绍的Bootstrap3使用typeahead插件实现自动补全功能，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。 Thank you very much for your support to Wulin.com website!