$.extend() and $.fn.extend()

2019-11-08 01:33:20

字体：大中小

来源：转载

供稿：网友

<html><head> <script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script> <meta charset="utf-8"></head><body><div id="demo" style="width:100px;height:100px;background-color:black;"></div><script type="text/Javascript"> $(document).ready(function(){ var obj = $.extend({},{"name":"axe","age":"11"},{"name":"axe","age":"22"}); var obj1 = $.extend({},{"name":"axe","age":"11"},{"name":"axe","age":"22","sex":"boy"},{"name":"loa","age":"32","sex":"girl"}); var obj2 = $.extend(true,{},{"name":"axe","age":"11","family":{"sister":"lina","brother":"sf"}},{"name":"axe","age":"22","family":{"father":"tk","brother":"es"}}); var obj3 = $.extend(false,{},{"name":"axe","age":"11","family":{"sister":"lina","brother":"sf"}},{"name":"axe","age":"22","family":{"father":"tk","brother":"es"}}); console.log(obj); console.log(obj1); console.log(obj2); console.log(obj3); $.extend({ hi:function(){ console.log("hi!") } }); $.hi(); $.fn.extend({ hello:function(){ $(this).mouSEOver(function(){ console.log("hello"); }); } }); $("#demo").hello();//必须先定义再使用，不会提升 });</script></body></html>

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