tryjsref_datalist_options_nameditem 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">
<title>W3Cschool教程(w3cschool.cn)</title>
</head>
<body>
<form>
<input list="browsers" name="browser">
<datalist id="browsers">
    <option value="Internet Explorer">
    <option value="Firefox">
    <option id="google" value="Chrome">
    <option value="Opera">
    <option value="Safari">
</datalist>
</form>
<p>点击按钮返回 datalist 中  id="google" 选项的值。</p>
<p id="demo"></p>
<button onclick="myFunction()">点我</button>
<p><strong>注意:</strong> Internet Explorer 9 和更早IE版本，Safari浏览器均不支持 datalist 元素。</p>
<script>
function myFunction(){
    var x = document.getElementById("browsers").options.namedItem("google").value;
    document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>
 
 
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运行结果
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