<html>
<body>
日期: <input type="datetime" id="myDatetime" value="2014-02-06T10:57Z">
<p>点击按钮获取 datetime 字段的日期和时间。</p>
<button onclick="myFunction()">点我</button>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("myDatetime").value;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>