​x
 
<!DOCTYPE html>
<html>
<head>
</head>
<body>
​
<p>点击按钮来执行 <b>displayDate()</b> 函数。</p>
​
<button id="myBtn">试一试</button>
​
<script>
document.getElementById("myBtn").onclick=function(){displayDate()};
function displayDate()
{
document.getElementById("demo").innerHTML=Date();
}
</script>
​
<p id="demo"></p>
​
</body>
</html>
​