1.JAVASCRIPT:
a. 代码:
- var a = function(){}
- var my_a = new a()
- my_a.say = function(){
- console.log('hello')
- }
- my_a.say()
b. 输出:
hello
2. PHP:
a. 代码:
- <?php
- class a{
- }
- $a = new a();
- $a->say = function(){
- echo "hello";
- };
- $say = $a->say;
- $say();
b. 输出:
hello
来源: http://www.jb51.net/article/136796.htm