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The prototype property allows you to add properties and methods to an object.
prototype属性允许你为对象添加属性和方法
object.prototype.name=value |
In this example we will show how to use the prototype property to add a property to an object:
在这个举例中我们将展示如何使用prototype属性来为对象加入属性:
<script type="text/javascript"> function employee(name,jobtitle,born) var fred=new employee("Fred Flintstone","Caveman",1970) employee.prototype.salary=null fred.salary=20000 document.write(fred.salary) </script> |
The output of the code above will be:
输出结果如下:
20000 |
prototype
In this example we will show how to use the prototype property.
这个举例将展示应该如何使用prototype属性