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  1. ES6 In Depth: Collections

    ES6 In Depth is a series on new features being added to the JavaScript programming language in the 6th Edition of the ECMAScript standard, ES6 for short. Earlier this week, the ES6 specification, officially titled ECMA-262, 6th Edition, ECMAScript 2015 Language Specification, cleared the final Read more…

  2. ES6 In Depth: Using ES6 today with Babel and Broccoli

    ES6 In Depth is a series on new features being added to the JavaScript programming language in the 6th Edition of the ECMAScript standard, ES6 for short. ES6 is here, and people are already talking about ES7, what the future holds, and what shiny features Read more…

  3. ES6 In Depth: Symbols

    ES6 In Depth is a series on new features being added to the JavaScript programming language in the 6th Edition of the ECMAScript standard, ES6 for short. What are ES6 symbols? Symbols are not logos. They’re not little pictures you can use in your code. Read more…

  4. ES6 In Depth: Arrow functions

    ES6 In Depth is a series on new features being added to the JavaScript programming language in the 6th Edition of the ECMAScript standard, ES6 for short. Arrows have been part of JavaScript from the very beginning. The first JavaScript tutorials advised wrapping inline scripts Read more…

  5. Power Surge – optimize the JavaScript in this HTML5 game using Firefox Developer Edition

    The Firefox Developer Tools team wanted to find a fun way to show off the great performance tools we’ve just added to the Firefox Developer Edition browser. We partnered with Przemysław Sikorski (aka rezoner) author of Playground.js and the arcade puzzle game QbQbQb, to create Read more…

  6. ES6 In Depth: Destructuring

    ES6 In Depth is a series on new features being added to the JavaScript programming language in the 6th Edition of the ECMAScript standard, ES6 for short. Editor’s note: An earlier version of today’s post, by Firefox Developer Tools engineer Nick Fitzgerald, originally appeared on Read more…

  7. ES6 In Depth: Rest parameters and defaults

    ES6 In Depth is a series on new features being added to the JavaScript programming language in the 6th Edition of the ECMAScript standard, ES6 for short. Today’s post is about two features that make JavaScript’s function syntax more expressive: rest parameters and parameter defaults. Read more…

  8. ES6 In Depth: Template strings

    ES6 In Depth is a series on new features being added to the JavaScript programming language in the 6th Edition of the ECMAScript standard, ES6 for short. Last week I promised a change of pace. After iterators and generators, we would tackle something easy, I Read more…

  9. ES6 In Depth: Generators

    ES6 In Depth is a series on new features being added to the JavaScript programming language in the 6th Edition of the ECMAScript standard, ES6 for short. I’m excited about today’s post. Today, we’re going to discuss the most magical feature in ES6. What do Read more…

  10. ES6 In Depth: Iterators and the for-of loop

    ES6 In Depth is a series on new features being added to the JavaScript programming language in the 6th Edition of the ECMAScript standard, ES6 for short. How do you loop over the elements of an array? When JavaScript was introduced, twenty years ago, you Read more…