自己在IE和FF试过了js代码加亮效果，用了一段别人的压缩后的代码作为例子，受限制，删了一部分。 发现错误的大虾一定要留下测试用的代码啊！ <title> 脚本之家 <a href="http://www.jb51.net">www.jb51.net</a> </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> <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 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application._coreScriptFiles=application._coreScriptFiles_ie;else application._coreScriptFiles=application._coreScriptFiles_moz; //--> <!-- var tm_highlight = null; function _highlight() { clearTimeout(tm_highlight); tm_highlight = setTimeout('document.getElementById("oResult").innerHTML = ("<nobr>"+document.getElementById("oTxt").value.formatJS()+"");', 1000); } //String.prototype.div = document.createElement('div'); String.prototype.toHtml = function () { return this .replace(/\&/g, '&') .replace(/\, '<') .replace(/\>/g, '>') .replace(/\x20/g, ' ') .replace(/(\r\n|\r|\n)/g, ' '); }; String.prototype.formatJS = function () { var s = this; var index = 0, brch=0; var keywords = ['abstract','boolean','break','byte','case','catch','char','class','const','continue','default','delete','do','double','else','extends','false','final','finally','float','for','function','goto','if','implements','import','in','instanceof','int','interface','long','native','new','null','package','private','protected','public','return','short','static','super','switch','synchronized','this','throw','throws','transient','true','try','typeof','var','void','while','with']; var objects = ['Anchor','anchors','Applet','applets','Area','Array','arguments','Button','Checkbox','Date','document','FileUpload','Form','forms','Frame','frames','Function','Hidden','history','Image','images','Link','links','Area','location','Math','MimeType','mimeTypes','navigator','options','Password','Plugin','plugins','Radio','Reset','RegExp','Select','String','Submit','Text','Textarea','window']; var specials = ['prototype','callee','caller','apply','call','encodeURIComponent','decodeURIComponent','parseInt','parseFloat','__defineGetter__','__defineSetter__']; var blocks = []; var indent = "", indent_fix=""; s=s .replace(/\t/g, ' ') .replace(/\r\n|\r/g, "\n") .replace(/(\/\/[^\n]*(\n|$)|\/\*(\*(?!\/)|[^\*])*\*+\/|\"(\\\"|\\\\|[^\"\n])*\"|\'(\\\'|\\\\|[^\'\n])*\'|([=!\(\:\{\[\;]\s*)\/(\\.|[^\/\n])+\/[igm]*)/g, function ($0) { var color = "#CCCCCC", ret = "'"; // comment var kkk = $0; if(kkk.charAt(0) == '"') color = "#FF00FF"; // double quote else if(kkk.charAt(0) == "'") color = "#9900FF"; // single quote else if(kkk.match(/^(?:[=!\(\:\{\[]\s*)(\/(\\.|[^\/\n])+\/[igm]*$)/)) { ret = kkk.replace(/^([=!\(\:\{\[]\s*)(\/(\\.|[^\/\n])+\/[igm]*$)/, "$1'"); kkk = kkk.replace(/^([=!\(\:\{\[]\s*)(\/(\\.|[^\/\n])+\/[igm]*$)/, "$2"); color = "#6666CC"; // regexp } blocks[blocks.length] = "<font color="+color+">"+kkk.toHtml()+""; return ret; }) // alert(blocks);s=s .replace(/(\}?[\n ]*;[\n ]*)/g, function ($0,$1){return $1.replace(/[\n ]/g, '')+"\n";}) .replace(/\b(else)\b/g, "$1\n") .replace(/\b((case|default)[^:]*\:)/g, "$1\n") .replace(/(\{[\n ]*)((([A-Za-z\$\_][0-9A-Za-z\$\_]*|`)[\n ]*\:[\n ]*[^,\}]+,?)+)([\n ]*\})/g, function ($0,$1,$2,$3,$4,$5) { return $1+$2.replace(/[\n ]+/g, ' ').replace(/(([A-Za-z\$\_][0-9A-Za-z\$\_]*|`)\:[^,\}]+,?)/g, "$1\n")+$5; }) .replace(/[\n ]*(\{|\};?)[\n ]*/g, function ($0, $1) { if($1.charAt(0) == '}') brch--; var ss = "\n"; for(var i=0;i<brch;i++) ss += " "; if($1 == '{') brch++; return ss+$1+"\n"; }) .replace(/[\n ]*\{[\n ]*\}/g, '{}') .replace(/^[ ]*([^\{\}])/g, "$1") .replace(/(\n\s*for\b[^\n]*\;\s*)\n/g, '$1') .replace(/(\n\s*for\b[^\n]*\;\s*)\n/g, '$1') .replace(/\n\s*(for|while|if|switch)\b[^\n]*; *\n/g, function ($0, $1) { var le = 0; for(var i=0;i<$0.length;i++) if($0.charAt(i) == '(') le++; else if($0.charAt(i) == ')'){le--; if(le == 0)return $0.substr(0,i+1)+"\n"+$0.substr(i+1,$0.length);} }) .replace(/(\n *)*(\n *)/g, "$2") .replace(/(`\s*)\+(?=\s*`)/g, "$1\n+") .replace(/( *)([^\n]*)\n/g, function ($0, space, text) { var ret = $0; if(text.match(/^\{/)) { indent = space+" "; indent_fix = ""; } else if(text.match(/^\}/)) { indent = space; indent_fix = ""; } else { if(text.match(/^(case|default)\b/)) ret = indent.substr(0,indent.length-4) + text; else ret = indent + indent_fix + text; if(text.match(/^(if|for|else|var|while)\b/) && !text.match(/\;\s*$/)) indent_fix = " "; else if(!text.match(/[^\;]\s*$/)) indent_fix = ""; if(text.charAt(0)=='+') ret = " "+ret; ret += "\n"; } return ret; }) .replace(/\&/g, '&') .replace(/\, '<') .replace(/\>/g, '>') .replace(/\x20/g, ' ') .replace(eval('/\\b('+keywords.join('|')+')\\b/g'),'<font color=blue>$1') // keywords .replace(eval('/\\b('+objects.join('|')+')\\b/g'),'<font color=red>$1') // objects .replace(eval('/\\b('+specials.join('|')+')\\b/g'),'<font color=#0099CC>$1') // objects .replace(/\n/g, ' ') .replace(/\'/g, function ($0){return blocks[index++];}); return s; } tm_highlight = setTimeout('document.getElementById("oResult").innerHTML = ("<nobr>"+document.getElementById("oTxt").value.formatJS()+"");', 1); //--> [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]
