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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>开源教程(ossoft.cn)</title> </head> <body> <h2>JavaScript this 关键字</h2> <p>实例中 <strong>this</strong> 指向了 person2，即便它是 person1 的方法:</p> <p id="demo"></p> <script> var person1 = { fullName: function() { return this.firstName + " " + this.lastName; } } var person2 = { firstName:"John", lastName: "Doe", } var x = person1.fullName.call(person2); document.getElementById("demo").innerHTML = x; </script> </body> </html>
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