html运行实例（eg_js_this_call）-搜寻教程库

代码示例：（标识：eg_js_this_call）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript <b>this</b> 关键词</h1>

<p>在本例中，<strong>this</strong> 引用 person2，即使它是 person1 的方法：</p>

<p id="demo"></p>

<script>
var person1 = {
  fullName: function() {
    return this.firstName + " " + this.lastName;
  }
}
var person2 = {
  firstName:"Bill",
  lastName: "Gates",
}
var x = person1.fullName.call(person2); 
document.getElementById("demo").innerHTML = x; 
</script>

</body>
</html>