<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<metahttp-equiv="Content-Type"content="text/html;charset=utf-8"/>
<title>无标题文档</title>
<scriptlanguage="javascript">
functioncheckLength(which){
varoTextCount=document.getElementById("char");
iCount=which.value.replace(/[^/u0000-/u00ff]/g,"aa");
oTextCount.innerHTML="<fontcolor=#FF0000>"+iCount.length+"</font>";
which.style.border='1pxdotted#FF0000';
which.size=iCount.length+2;
}
</script>
</head>
<body>
<inputname="words"size="2"onkeyup="checkLength(this)"/>
<spanid="char">0</span>个字符
</body>
</html>
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