jquery注册文本框获取焦点清空,失去焦点赋值jquery
<html>
<head>
<meta http-equiv="content-type"content="text/html; charset=UTF-8"/>
<script src="http://127.0.0.1/jquery.js"></script>
<script>
$(function(){
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<html>
<head>
<meta http-equiv="content-type"content="text/html; charset=UTF-8"/>
<script src="http://127.0.0.1/jquery.js"></script>
<script>
$(function(){
$("#account").focus(function(){
var account_value=$(this).val();
if(account_value=="请输入账号"){
$(this).val("");
}
});
$("#account").blur(function(){
var account_value=$(this).val();
if(account_value==""){
$(this).val("请输入账号");
}
});
});
</script>
</head>
<body>
账号：<input id="account" type="text" value="请输入账号" />
</body>
</html>
<head>
<meta http-equiv="content-type"content="text/html; charset=UTF-8"/>
<script src="http://127.0.0.1/jquery.js"></script>
<script>
$(function(){
$("#account").focus(function(){
var account_value=$(this).val();
if(account_value=="请输入账号"){
$(this).val("");
}
});
$("#account").blur(function(){
var account_value=$(this).val();
if(account_value==""){
$(this).val("请输入账号");
}
});
});
</script>
</head>
<body>
账号：<input id="account" type="text" value="请输入账号" />
</body>
</html>
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