es6,7で書ける javascript

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ES6, 7 JavaScript 2016.12.15 LT

JavaScript ES6/ES7 JavaScript

ES6/ES7

https://zombiecodekill.files.wordpress.com/2014/07/javascript-the-good-parts-the-definitive-guide.jpg

ES6/ES7

https://zombiecodekill.files.wordpress.com/2014/07/javascript-the-good-parts-the-definitive-guide.jpgES5

ES6 Netscape 1997 Ecma International 1999 ES3 2000 ES4 2009 ES5 2015 ES6 ES7 Proposals (https://tc39.github.io/ecma262/) []

let, const /

JavaScriptJavaScript this : : apply/call/bind: :

JavaScript

=> function this

JavaScript{ }

JavaScript

let: const: /

ES6 var const

JavaScript

JavaScript undefinedundefined false NULL ( undeifned, null, NaN (), , 0 )

arguments ()arguments

JavaScript JavaScript

Array sortmapforEachpop

Error callback hell/ JavaScript

function* yield /

Promise thenrable yieldable

try/catch

ES7

proposal-bind-operatorhttps://github.com/tc39/proposal-bind-operator:: this |> /

proposal-private-fieldshttps://github.com/tc39/proposal-private-fields

Symbol () (?) ()

proposal-cancelable-promiseshttps://github.com/tc39/proposal-cancelable-promises

https://blog.jxck.io/entries/2016-07-21/fetch-progress-cancel.html

JavaScript

stylefmt - css https://github.com/morishitter/stylefmtStart: 1458, Fork: 63, 17,339 dl/monthNode.js >

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