The backtick symbol (` (bottom left on your Macintosh keyboard)) lets you create multiline strings. See nodejs/LTS for more information. Babel 7 is out! If our function contains exactly one line of code (assuming a line ends with a semi-colon) we can omit the curly braces altogether:Let's use one of these to output all the elements in an array.The this keyword is set in JavaScript to be the object immediately preceding the dot when the function is called. This just means Babel itself won't run on older versions of Node. This both makes your life easier and JavaScript … It makes available all the syntactical sugar that was added to JavaScript with the new ES6 specification, including classes, fat arrows and multiline strings. This is especially helpful when defining templates in JavaScript.
Babel is a JavaScript transpiler that converts edge JavaScript into plain old ES5 JavaScript that can run in any browser (even the old ones). If you'd like to help support the future of the … It can still output code that runs on old Node versions. This lets us define functions which can only be used as constructors.A class, as we all know, is a special cookie cutter object that can only be used to define other objects. Babel is a tool that helps you write code in the latest version of JavaScript. They are used to a bit more rigour, so ES6 introduces the class keyword. We call this lexical scoping.ES6 is mainly sugar on top of ES5. Please read our announcement and upgrade guide for more information. When your supported environments don't support certain features natively, Babel will help you compile those features down to a supported version.Mostly a handful of volunteers, funded by you! Support for Node.js 0.10, 0.12, 4 and 5 has been dropped #5025, #5041, #7755, #5186. Whatever your development toolchain, Babel can probably slot into it.JavaScript is class free. Installation, as you might expect, is via npm:There are plugins for webpack, gulp, grunt, Sublime, Webstorm, etc. The compiler for writing next generation JavaScript. The JavaScript under the hood remains the same prototypical, list processing language we are used to. '%0A%7D%3B%0A%0Aa.b()]Sign up for occasional emails covering modern Web Development topics such as Angular 2 and React. Dieser Beitrag beschreibt eine Methode, um Javascript Sprachdateien de.js, en.js, etc. ES6 gives us some nice syntax that ultimately transpiles to fairly plain, ordinary JavaScript.Some of this sugar is for the benefit of Java/C# folk who initially often find prototypical inheritance confusing.Some of it, such as fat arrows, gives us a terser, more modern looking syntax, and enhances JavaScript's functional capabilities.To have a try right now, have a look at the (repl)[https://babeljs.io/repl/#?experimental=false&evaluate=true&loose=false&spec=false&code=var%20a%20%3D%20%7B%0A%20%20b%3A%20function()%20%7B%0A%20%20%20%20var%20c%20%3D%20()%20%3D%3E%20console.log(this.d)%0A%20%20%20%20c()%3B%0A%20%20%7D%2C%0A%20%20d%3A'Hey%20there! Babel (pronounced "babble") is a community-driven project used by many companies and projects, and is maintained by a group of volunteers. We highly encourage you to use a newer version of Node.js (LTS v8) since the previous versions are not maintained. zu erzeugen und wie Sie diese zu Ihrer mehrsprachigen Flask App hinzufügen können. Objects inherit directly from other objects, so any object can be the parent (superclass) of any other object.Any function can be a constructor function, and calling it with the new keyword will yield a new object.This is all very cool and JavaScripty, but it understandably makes C# and Java developers a bit antsy.