​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>JavaScript <b>this</b> 关键词</h1>
​
<p>在本例中，<b>this</b> 引用 window 对象：</p>
​
<p id="demo"></p>
​
<script>
"use strict";
var x = this;
document.getElementById("demo").innerHTML = x;
</script>
​
</body>
</html>
​