Ecmascript5, is that es6?

This article mainly shows you "is ecmascript5 es6?". The content is simple and clear. I hope it can help you solve your doubts. Let the editor lead you to study and learn this article "is ecmascript5 es6?"

Ecmascript5 is not es6,ecmascript5 is the fifth version of ECMAScript, abbreviated as ES5 and ECMAScript 2009, while es6 is ECMAScript 6, which is the standard of the next version of JavaScript.

Operating environment of this article: windows7 system, ECMAScript version 6, DELL G3 computer

Ecmascript5 is not es6.

Next, I would like to introduce ES5 and ES6.

Introduction to ECMAScript 5:

ECMAScript 5 is also known as ES5 and ECMAScript 2009. It is the fifth version of ECMAScript.

ECMAScript 5 featur

These are the new features released in 2009:

"use strict" instruction

String.trim ()

Array.isArray ()

Array.forEach ()

Array.map ()

Array.filter ()

Array.reduce ()

Array.reduceRight ()

Array.every ()

Array.some ()

Array.indexOf ()

Array.lastIndexOf ()

JSON.parse ()

JSON.stringify ()

Date.now ()

Properties Getter and Setter

New object properties and methods

Introduction to ECMAScript 6:

ES6, the full name of ECMAScript 6.0, is the next version of JavaScript standard, 2015.06 release.

ES6 is mainly to solve the inherent shortcomings of ES5, for example, there is no concept of class in JavaScript, but at present, the JavaScript of browsers is ES5, and most high-end browsers also support ES6, but only some of the features and functions of ES6 are implemented.

The above is all the contents of the article "is ecmascript5 es6?" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!