Js简易代码生成工具

1. 代码
   

   javascript:(function(){ document.body.innerHTML = '<textarea id="txtTemplate" style="width:400px; height:400px;"></textarea>&nbsp;&nbsp;<textarea id="txtOutput" style="width:400px; height:400px;"></textarea><br /><input type="text" id="txtPlaceHolder" value="{i}" /><br /><input type="button" value="replace" id="btnReplace" onclick="var out=document.getElementById(\'txtOutput\');out.value=\'\';var replaceV=document.getElementById(\'txtReplacement\').value; var arr=replaceV.split(\',\');for(var i in arr){ out.value += document.getElementById(\'txtTemplate\').value.replace(new RegExp(document.getElementById(\'txtPlaceHolder\').value, \'g\'), arr[i]); }" /><input type="button" value="generateNumber" onclick="var rep=document.getElementById(\'txtReplacement\');var ranges=rep.value.split(\'->\');if(ranges.length>1){var start=parseInt(ranges[0]);var end=parseInt(ranges[1]);if(!isNaN(start)&&!isNaN(end)){var result=[];for(var i=start;i<=end;i++){result.push((new Array(parseInt(document.getElementById(\'txtNumberWidth\').value)-(new Number(i).toString().length)+1).join(\'0\')) + i);}rep.value=result.join(\',\');}}" /><input id="txtNumberWidth" type="text" value="2"><br /><textarea id="txtReplacement" style="width:800px; height:60px;"></textarea><br /><textarea style="width:800px; height:600px;"></textarea><br />'; })()

2. 这段代码放到收藏夹，点击，然后可以看到一个简易代码生成工具