摘要: 面试题:function fn(a,b){ console.log(this); console.log(a); console.log(a+b);}fn.call(1);fn.call.call(fn);fn.call.call.call(fn,1,2);fn.call.call.call.cal 阅读全文
posted @ 2018-08-26 21:19 五迷 阅读(858) 评论(0) 推荐(0) 编辑