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Today, the editor will share with you the relevant knowledge of what es6 and es7 mean. The content is detailed and the logic is clear. I believe most people still know too much about this knowledge, so share this article for your reference. I hope you can get something after reading this article. Let's take a look at it.

Es6, whose full name is "ECMAScript6", is the standard for the JavaScript language officially released in June 2015, officially known as ECMAScript 2015. Es7, whose full name is "ECMAScript7", is the standard for the JavaScript language that was officially released in June 2016.

The operating environment of this tutorial: windows7 system, ECMAScript 6&&ECMAScript version 7, Dell G3 computer.

What is es6?

ECMAScript 6 (ES6) is a standard for the JavaScript language officially released in June 2015, officially known as ECMAScript 2015 (ES2015). Its goal is to enable the JavaScript language to be used to write complex large-scale applications and become an enterprise development language.

What can es6 do?

ES6 is a major version upgrade, and at the same time, because ES6 is designed to maximize compatibility with existing code, the JS code you wrote in the past will continue to work.

Many browsers already support some of the ES6 features and will continue to work on implementing the rest. This means that in some browsers that have already implemented some features, your JS code is already working properly.

Popular MVVM frameworks such as Vue, React, Angular, etc., are better developed with ES6, and the building tools of these frameworks also support the compilation of ES6.

The latest version of Node.js already supports 99% of the ES6 features, which means it's enough for most businesses to use in a project.

What is es7?

ECMAScript 7 (ES7) is a standard for the JavaScript language officially released in June 2016, officially known as ECMAScript 2016 (ES2016).

There are not many changes compared to the sixth version (ES6), mainly due to the addition of two new features: Array.prototype.include and the exponentiation operator.

1. Array.prototype.includes ()

[1] .coach (1); / / true

two。 Exponential operator

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