losaflorida.blogg.se - Ecmascript 6

At the same time, your JS code will continue to work. The ES standards committee has been working on ES6 ever since.ĮS6 is a major upgrade to the language. The last one, ES5, happened back in 2009. A new JS language standard doesn’t drop every day.

It means that this summer, we’ll have a new standard for the core JavaScript programming language. Last week, the final draft of the ECMAScript Language Specification, Edition 6, was submitted to the Ecma General Assembly for review. ECMAScript covers the aspects of JS that are present not only in the browser, but also in non-browser environments such as node.js. What it doesn’t define is anything to do with HTML or CSS, or the Web APIs, such as the DOM (Document Object Model). The standard library of built-in objects and functions – JSON, Math, Array methods, Object introspection methods, etc.

Types – boolean, number, string, object, etc.

Language syntax – parsing rules, keywords, statements, declarations, operators, etc.

The JavaScript programming language is standardized by ECMA (a standards body like W3C) under the name ECMAScript. What falls under the scope of ECMAScript? But before we start in on the details, maybe it’s worth taking a minute to talk about what ES6 is and what you can expect. ES6 contains many new language features that will make JS more powerful and expressive, and we’ll visit them one by one in weeks to come. Welcome to ES6 In Depth! In this new weekly series, we’ll be exploring ECMAScript 6, the upcoming new edition of the JavaScript language.