​x
 
<!DOCTYPE html>
<html>
<body>
​
<p>单击该按钮可显示基于 UTC 日期时间的本地时间。</p>
​
<button onclick="myFunction()">试一试</button>
​
<p id="demo"></p>
​
<script>
function myFunction() {
  var d = new Date(Date.UTC(2012, 02, 30));
  document.getElementById("demo").innerHTML = d;
}
</script>
​
</body>
</html>
​