​x
 
<!DOCTYPE html>
<html>
<body>
​
<p>本例演示如何将 "onload" 事件分配给 iframe 元素。</p>
​
<iframe onload="myFunction()" src="/index.asp"></iframe>
​
<p id="demo"></p>
​
<script>
function myFunction() {
  document.getElementById("demo").innerHTML = "Iframe is loaded.";
}
</script>
​
</body>
</html>
​