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//屏蔽打印 <style> @media print{ * {display:none} } </style>
//移动的图层,拖动
1.<span style='position:absolute;width:200;height:200;background:red' onmousedown=MouseDown(this) onmousemove=MouseMove() onmouseup=MouseUp()>meizz</span> <script language=javascript> var Obj; function MouseDown(obj) { Obj=obj; Obj.setCapture(); Obj.l=event.x-Obj.style.pixelLeft; Obj.t=event.y-Obj.style.pixelTop; } function MouseMove() { if(Obj!=null) { Obj.style.left = event.x-Obj.l; Obj.style.top = event.y-Obj.t; } } function MouseUp() { if(Obj!=null) { Obj.releaseCapture(); Obj=null; } } </script> 2. <div id="myDiv" src="logo.gif" ondrag="doDrag();" onmouseover="this.style.cursor='hand'" style="position:absolute;left=100;top=100;" onmousedown="doMouseDown();"> <a href="#" onclick="return false"><h1>wlecome</h1></a> </div> <script language="JavaScript" type="text/javascript"> var orgMouseX; var orgMouseY; var orgObjX; var orgObjY; function doDrag() { var myObject=document.all.myDiv;
var x=event.clientX; var y=event.clientY; myObject.style.left=x-(orgMouseX-orgObjX); myObject.style.top=y-(orgMouseY-orgObjY); } function doMouseDown() { orgMouseX=event.clientX; orgMouseY=event.clientY; orgObjX=parseInt(document.all.myDiv.style.left); orgObjY=parseInt(document.all.myDiv.style.top); }
</script> //文档状态改变
<iframe src="a.html" id="f" name="f" scrolling="no" frameborder=0 marginwidth=0 marginheight=0></iframe> <script> var doc=window.frames["f"].document; function s(){ if (doc.readyState=="complete"){ document.all.f.style.height=doc.body.scrollHeight document.all.f.style.width=doc.body.scrollWidth } } doc.onreadystatechange=s </script>
//刷新后不变的文本框
<HTML> <HEAD> <META NAME="save" CONTENT="history"> <STYLE> .sHistory {behavior:url(#default#savehistory);} </STYLE> </HEAD> <BODY> <INPUT class=sHistory type=text id=oPersistInput> </BODY> </HTML>
//访问剪贴板
(1)拖拽访问 event.dataTransfer.setData("URL", oImage.src); sImageURL = event.dataTransfer.getData("URL") (2)普通访问 window.clipboardData.setData("Text",oSource.innerText); window.clipboardData.getData("Text");
//操作COOKIE
function SetCookie(sName, sValue) { document.cookie = sName + "=" + escape(sValue) + "; "; } function GetCookie(sName) { var aCookie = document.cookie.split("; "); for (var i=0; i < aCookie.length; i++) { var aCrumb = aCookie[i].split("="); if (sName == aCrumb[0]) return unescape(aCrumb[1]); } } function DelCookie(sName) { document.cookie = sName + "=" + escape(sValue) + "; expires=Fri, 31 Dec 1999 23:59:59 GMT;"; }
//setTimeout增加参数
<script> var _st = window.setTimeout; window.setTimeout = function(fRef, mDelay) { if(typeof fRef == 'function'){ var argu = Array.prototype.slice.call(arguments,2); var f = (function(){ fRef.apply(null, argu); }); return _st(f, mDelay); } return _st(fRef,mDelay); } function test(x){ alert(x); } window.setTimeout(test,1000,'fason'); </script>
//自定义的apply,call
Function.prototype.apply = function (obj, argu) { if (obj) obj.constructor.prototype._caller = this; var argus = new Array(); for (var i=0;i<argu.length;i++) argus[i] = "argu[" + i + "]"; var r; eval("r = " + (obj ? ("obj._caller(" + argus.join(",") + ");") : ("this(" + argus.join(",") + ");"))); return r; }; Function.prototype.call = function (obj) { var argu = new Array(); for (var i=1;i<arguments.length;i++) argu[i-1] = arguments[i]; return this.apply(obj, argu); };
//下载文件
function DownURL(strRemoteURL,strLocalURL) { try { var xmlHTTP=new ActiveXObject("Microsoft.XMLHTTP"); xmlHTTP.open("Get",strRemoteURL,false); xmlHTTP.send(); var adodbStream=new ActiveXObject("ADODB.Stream"); adodbStream.Type=1;//1=adTypeBinary adodbStream.Open(); adodbStream.write(xmlHTTP.responseBody); adodbStream.SaveToFile(strLocalURL,2); adodbStream.Close(); adodbStream=null; xmlHTTP=null; } catch(e) { window.confirm("下载URL出错!"); } //window.confirm("下载完成."); }
//检验连接是否有效
function getXML(URL) { var xmlhttp = new ActiveXObject("microsoft.xmlhttp"); xmlhttp.Open("GET",URL, false); try { xmlhttp.Send(); } catch(e){} finally { var result = xmlhttp.responseText; if(result) { if(xmlhttp.Status==200) { return(true); } else { return(false); } } else { return(false); } } } (出处:盛世唐朝)
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