<html>
<head>
<title>test</title>
<script type="text/javascript">
function operB(){
}
function operA(obj){
obj.value = "";
}
</script>
</head>
<body>
<input type="text" name="userName" value="用户名" id="userName" οnclick="operA(this)" />
</body>
<head>
<title>test</title>
<script type="text/javascript">
function operB(){
}
function operA(obj){
obj.value = "";
}
</script>
</head>
<body>
<input type="text" name="userName" value="用户名" id="userName" οnclick="operA(this)" />
</body>
</html>
作者：儱剑阿攵
转载请注明链接：http://blog.youkuaiyun.com/awenluck/article/details/39276877
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