标签:
prototype 属性使您有能力向对象添加属性和方法。
语法:
object.prototype.name=value
例子:
<script type="text/javascript"> function employee(name,job,born) { this.name=name; this.job=job; this.born=born; } var bill=new employee("Bill Gates","Engineer",1985); employee.prototype.salary=null; bill.salary=20000; document.write(bill.salary); </script>
输出:
20000
标签:
原文地址:http://blog.csdn.net/helloboat/article/details/42563493