tryjsref_password_defaultvalue 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script>
function displayResult(){
    var x=document.getElementById("pwd").defaultValue;
    alert(x);
}
</script>
</head>
<body>
<form>
密码: <input type="password" id="pwd" value="thgrt456">
</form>
<button type="button" onclick="displayResult()">显示默认值</button>
</body>
</html>
 
 
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运行结果
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