随笔分类 -  javascript知识

关于javascript知识
匿名函数与this
摘要：function foo(){ "use strict"; console.error(this.a);}var a = 2; foo(); //type error this is undefined. //代码2function foo(){ console.error(this.a);}var 阅读全文
posted @ 2017-02-08 23:03 hello0101 阅读(141) 评论(0) 推荐(0)