![]() ![]() JavaScript let is used to declare variables. This tutorial provides a brief summary of commonly used features of ES6 so that you can start quickly in ES6. ![]() ECMAScript provides the specification on how JavaScript programming language should work. instead they will be called ES2016, ES2017, ES2018….JavaScript ES6 (also known as ECMAScript 2015 or ECMAScript 6) is the newer version of JavaScript that was introduced in 2015.ĮCMAScript is the standard that JavaScript programming language uses. Also, they renamed ES6 as ES2015 and successive will be called as per the year so, there is no ES7, ES8 …. Later TC39( Technical committee) decided to release an upgraded specification every year instead of pushing it in a large size like ES6. □Finally □, ES6 which is also considered as a second major revision released in 2016 with a great many features that are being pending for a decade. Strict mode, JSON support are part of ES5 In 2009, ES5 finally got out with some basic addition. ECMAScript 4 was already recognized as a specific variant of ECMAScript even without any proper release, so the committee decided to rename ECMAScript 3.1 to ECMAScript 5 to avoid confusion. In the year 2009, ECMAScript 3.1 was completed and signed off by all involved parties. Others thought this was not the appropriate course for JavaScript.Īfter the long struggle of ECMAScript 4, from 2008 onwards, the community focused on ECMAScript 3.1. This group proposed many features that were big in scope and in changes. There was a group of people that thought JavaScript needed features to become a stronger language for large-scale application development. As soon as work on ECMAScript 4 started, strong differences in the committee started to appear. Those were the harder days of javascript. Successfully, The ES1 (ECMAScript 1) was released in 1997□ĮS 3 (1999) - Added Regular expressions, Switch statements, Try/catchĮS 4 (1999 to 2008) - Never released.! □ Now Oracle has the JavaScript trademark, It is even worse□ There were trademark issues with the name “Javascript” so, ECMAScript is trademark reserved by ECMA international to act as a specification name for the JavaScript.Īfter sun microsystem was acquired by Oracle in 2009. Wait a minute… What is this ECMAScript?□ Where is the JavaScript ?□ ![]()
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