2014年11月19日
[ES6] 05. The leg keyword -- 3. Block Scope
摘要： In ES6, IIFE is not necessary:// IIFE写法(function () { var tmp = ...; ...}());// 块级作用域写法{ let tmp = ...; ...}另外，ES6也规定，函数本身的作用域，在其所在的块级作用域之... 阅读全文
posted @ 2014-11-19 23:44 Zhentiw 阅读(327) 评论(0) 推荐(0)
[ES6] 04. The let keyword -- 2 Fiald case
摘要： Fialdcase 1: let can work in it's block{ let a = 10; var b = 1;}a // ReferenceError: a is not defined.b //1Case 2: Let has no "Hosting" Problemf... 阅读全文
posted @ 2014-11-19 23:23 Zhentiw 阅读(257) 评论(0) 推荐(0)
[ES6] 03. The let keyword -- 1
摘要： var message = "Hi";{ var message = "Bye"; }console.log(message); //ByeThe message inside the block still has impact on the outside.Just rememb... 阅读全文
posted @ 2014-11-19 23:11 Zhentiw 阅读(304) 评论(0) 推荐(0)