People.map(function (person) ) ĮS6 is not complete just yet - and the features mentioned here are merely the ones most ready for prime time. The following to code blocks are identical: If your arrow function has only one statement, you can even omit the curly braces and the return – making arrow functions awesome for short, one-line functions. Compared to traditional JavaScript functions, arrow functions feature three important differences: Iniciar projeto ECMA Script 6 (ES6) no NodeJS Instale as dependências necessárias Crie o arquivo de configuração. Zakas provides a complete guide to the object types, syntax, and other exciting changes that. Obviate need for globals Orthogonality from existing features Smooth refactoring from global code to modular code Smooth interoperability with existing JS.

So let's take a quick look at the most important features! Arrow FunctionsĪrrow functions are, as the name suggests, functions defined using the arrow syntax ( parameter => statement). In Understanding ECMAScript 6, expert developer Nicholas C.

The spec with the Codename 'Harmony' includes a whole bunch of exciting changes intending to make the language more flexible and powerful. Maybe you haven't, in which case you shall be informed that I'm basically talking about the next version of JavaScript. Felix Rieseberg ECMAScript 6: A Quick Intro to the Future of JavaScript green, Node.js, JavaScript, ECMAScript 6īy this point, you have probably heard of ECMAScript 6, also known as the upcoming version of the standard that defines JavaScript.

Ecmascript 6