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
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