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Web design tutorial

Simple example of JS implementation back to the top of the page animation effect

Recently, I have been imitating the page style and interaction of major websites, and found that many of them have the need to go back to the top, so I wrote about js and recorded it. I found that the animation effect from fast to slow and the function of

2025-07-29
Detailed explanation of AngularJS table and sample code

Category data are usually repetitive in nature. The ng-repeat directive can be used to easily draw tables. The following example illustrates using the ng-repeat directive to draw a table.<table><tr><th> Name</th><th> Marks</th></tr> <t

2025-07-29
How to use UI Router in Angularjs

In learning to use angular, ui-route is one of the difficulties. There is no problem with simple use, but when it comes to multi-level nesting, I feel confused. I have looked up a lot of information and stepped on many pitfalls. So far, I can't say th

2025-07-29
Native js implementation of autocomplete plugin

In actual projects, it is best to use plug-ins written by others to implement related functions. However, in order to save time and cost, some projects are more urgent and do not have enough time to write on your own. Even if you write, you still have to

2025-07-29
Summary of JavaScript Knowledge Points (V) The difference between two equal signs (==) and three equal signs (===) in Javascript

1. The function of JavaScript "=="1. When the contents of == on both sides are strings, then compare whether the contents of the string are equal. 2. When the contents on both sides of == are numbers, then compare whether the sizes of the number

2025-07-29
An Ajax library written in JS (instance code)

myajax is a cross-browser ajax library written in js, which supports get, post, jsonp requests, exquisite and simple. 1. Send a GET request: myajax.get({<span style="white-space:pre"></span> data:

2025-07-29
Angular.js review ng-app and ng-model usage tips

Simple structure of index.html in Angular.js:<!doctype html><html ng-app><head>

2025-07-29
Native JS Ajax, GET and POST request instance code

The GET request code for ajax in javascript/js is as follows:<script type="text/javascript"> /* 创建 XMLHttpRequest 对象 */ var xmlHttp; function GetXmlHt

2025-07-29
Simple example of dynamically loading js files

This article describes the method of dynamically loading js files. Share it for your reference, the details are as follows: function loadScript(url){var hd = document.getElementsByTagName('head')[0],js = docum

2025-07-29
Four ways to modify onclick action by js (recommended)

The first type: button.onclick = Function("alert('hello');"); The second type: button.onclick = function(){alert("hello"); }; The third type: button.onclick =

2025-07-29
JavaScript simple method to reduce pictures in equal proportions

This article describes the simple method of JavaScript to reduce images in a proportional manner. I will share it with you for your reference, the details are as follows: //Shrink image in equal proportions function changeImg(obj,width,height) { var img =

2025-07-29
A brief discussion on the generation of clocks (js handwritten concise code)

In the process of generating the clock, I thought of the writing of the dial arrangement in several ways: of course, it can be achieved using that mode, so we need to use a best understanding. The code has a relatively simple method to implement it. 1. Us

2025-07-29
How to dynamically modify CSS style sheet using JavaScript

After reading the "Implementation Method of Dynamically Creating or Adding CSS Style Sheets with JavaScript", it is easy for you to figure out how to modify CSS Style Sheets. I happened to meet a friend on the forum today asking this question: <

2025-07-29
Some ideas based on prototypes and inheritance in js

Recently, I saw a js library written by someone else. I suddenly had some ideas about the prototype and inheritance in js. I have seen some of them before, but it is not very clear. I used my free time these days to understand this area, and I still feel

2025-07-29
Example code for javascript digital verification (recommended)

There is a requirement now as shown in the figure below: The product manager said that Card Number can only be input numbers (the spaces in the middle are added by the format and are also implemented using js). Sometimes a sound appears in my mind, what&#

2025-07-29

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