Answer1215

摘要： Here is the way you get value from an object:var obj = { color: "blue"}console.log(obj.color); //blueDestructuring Assignment:ObjectDestructuring ... 阅读全文

摘要： Normally, we can set default value for function param://Here use "Hello" as default paramvar receive =function(message="Hello", handle){ handler(me... 阅读全文

摘要： ES6 arrow function is somehow like CoffeeScirpt.CoffeeScript: //function callcoffee = -> coffee()coffee=(messag... 阅读全文

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

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

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

摘要： When you minify your code with a tool like Uglify, the resulting minified file will rename variables. This is a problem for AngualrJS, which uses para... 阅读全文

摘要： Local Install:npm install -g traceurnpm install grunt-contrib-watchnpm install grunt-traceur-latestGruntFile:module.exports = function(grunt){ grun... 阅读全文

摘要： 6.2Setting Up socket.io Server-SideSo far we've created an Express server. Now we want to start building a real-time Q&A moderation service and we've ... 阅读全文

摘要： Grunt will clean up your build with the grunt-contrib-clean to make sure that no artifacts from previous builds are hanging around. Install: npm insta 阅读全文