<h3>演示如何访问 Local Datetime 字段</h3>
<input type="datetime-local" id="myLocalDate" value="2014-06-01T10:55:33">
<p>点击按钮来获得 datetime 字段的本地日期和时间。</p>
<button onclick="myFunction()">试一下</button>
var x = document.getElementById("myLocalDate").value;
document.getElementById("demo").innerHTML = x;