兼容IE与Firefox的JavaScript代码高亮与美化实现

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML xmlns:v="urn:schemas-microsoft-com:vml"> <HEAD> <TITLE> 本站 www.jb51.net </TITLE> <META NAME="Generator" CONTENT="EditPlus"> <META NAME="Author" CONTENT=""> <META NAME="Keywords" CONTENT=""> <META NAME="Description" CONTENT=""> <link rel="Shortcut Icon" href="shell32.dll,20"> <STYLE> #oTxt{     color:#333333;     background-color:#f0f0f0;     font-family:Courier New;     font-size:12px;     margin:0;     line-height:13px;     border-left:none;     overflow:scroll; } #oResult{     color:#333333;     background-color:#f0f0f0;     font-family: Courier New;     font-size:12px;     margin:0;     line-height:13px;     border-left:none;     overflow:scroll;     height:164px; } </STYLE> </HEAD> <BODY> <div id="oEditor" style="width:400;height:164px;padding:0;margin:0;border:none;border-right:solid 2px gray;border-bottom:solid 2px gray;"> <textarea id=oTxt wrap=off style="border:dashed 1px gray; border-right:none; border-bottom:none; width:400;height:164px;padding:2px;" onkeyup="_highlight()"> //<!-- // test comment //    s = s.replace(/\/\/\/g, ''); /*/     'this is a block'     'http://test.com'     'comment !!' //*/ //*/     'string2'     'http://test.com'     "string1/*" //*/ /*/     'this is a block'     'http://test.com'     "comment !!" /*/     "string1: start a comment /* "     'http://test.com'     'string2: end a comment */ ' //*/ /****************************\ * code highlight             * *     necrocoder 2006.05.11  * \****************************/ var sss = kkkk.innerHTML+"\r\n"; for(var i=0;i<5;i++) sss += kkkk.innerHTML+"\r\n"+"\r\n"; var tm = (new Date()).getTime(); sss = sss.syntaxed(); var dtm = (new Date()).getTime() - tm; aaa.innerHTML = sss; //aaaa.innerText = sss; document.write('highlighted in '+dtm+'ms.'); /*  * Examples  */ Array.prototype.indexOf=function(o){for(var i=0;i<this.length;i++){if(this[i]==o)return i;} return-1;};Array.prototype.lastIndexOf=function(o){for(var i=this.length-1;i>=0;i--){if(this[i]==o)return i;}return-1;};Array.prototype.contains=function(o){return this.indexOf(o)!= -1;};Array.prototype.copy=function(o){return this.concat();};Array.prototype.insertAt=function(o,i){this.splice(i,0,o);};Array.prototype.insertBefore=function(o,o2){var i=this.indexOf(o2);if(i== -1)this.push(o);else this.splice(i,0,o);};Array.prototype.removeAt=function(i){this.splice(i,1);};Array.prototype.remove=function(o){var i=this.indexOf(o);if(i!= -1)this.splice(i,1);};String.prototype.trim=function(){return this.replace(/(^\s+)|\s+$/g,"");};Function.READ=1;Function.WRITE=2;Function.READ_WRITE=3;Function.prototype.addProperty=function(sName,nReadWrite){nReadWrite=nReadWrite||Function.READ_WRITE;var capitalized=sName.charAt(0).toUpperCase()+sName.substr(1);if(nReadWrite&Function.READ) this.prototype["get"+capitalized]=new Function("","return this._"+sName+";");if(nReadWrite&Function.WRITE)   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BiObject=="undefined") BiObject=new Function;function BiBrowserCheck(){if(BiBrowserCheck._singleton) return BiBrowserCheck._singleton;var ua=navigator.userAgent;this._ie= /msie/i.test(ua);this._moz=navigator.product=="Gecko";this._platform=navigator.platform;if(this._moz) {/rv\:([^\);]+)(\)|;)/.test(ua);this._version=RegExp.$1;this._ie55=false;this._ie6=false;} else {/MSIE\s+([^\);]+)(\)|;)/.test(ua);this._version=RegExp.$1;this._ie55= /msie 5\.5/i.test(ua);this._ie6= /msie 6/i.test(ua);} BiBrowserCheck._singleton=this;} BiBrowserCheck.prototype=new BiObject;BiBrowserCheck.prototype.getIe=function() {return this._ie;};BiBrowserCheck.prototype.getIe55=function() {return    this._ie55;};BiBrowserCheck.prototype.getIe6=function() {return this._ie6;};BiBrowserCheck.prototype.getMoz=function() {return this._moz;};BiBrowserCheck.prototype.getVersion=function() {return this._version;};BiBrowserCheck.prototype.getPlatform=function() {return this._platform;};var _br=new 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application._coreScriptFiles=application._coreScriptFiles_ie;else application._coreScriptFiles=application._coreScriptFiles_moz; //--> <&#47textarea></div>  <hr style="color:black;height:2px;"> <div id="oResult" style="width:100%;height:164px;padding:0;margin:0;border: dashed 1px gray;border-right:solid 2px gray;border-bottom:solid 2px gray;" contentEditable> </div> </BODY> </HTML>

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