随着输入文字的多少自动变化宽度的INPUT-悠悠博客

随着输入文字的多少自动变化宽度的INPUT

2006-6-19 3:38:32 发布:Y0uYoU

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script language="javascript">
function checkLength(which) {
var oTextCount = document.getElementById("char");
iCount = which.value.replace(/[^\u0000-\u00ff]/g,"aa");
oTextCount.innerHTML = "<font color=#FF0000>"+ iCount.length+"</font>";
which.style.border = '1px dotted #FF0000';
which.size=iCount.length+2;
}
</script>
</head>
<body>
<input name="words" size="2" onkeyup="checkLength(this)"/>
<span id="char">0</span>个字符
</body>
</html>

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