Articles by Jason Orendorff
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ES6 In Depth: The Future
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’s article on ES6 modules wrapped up a 4-month survey of the major new features in ES6. This post covers over a dozen more new features that […]
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ES6 In Depth: Modules
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. When I started on Mozilla’s JavaScript team back in 2007, the joke was that the length of a typical JavaScript program was one line. This was two years […]
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ES6 In Depth: let and const
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. The feature I’d like to talk about today is at once humble and startlingly ambitious. When Brendan Eich designed the first version of JavaScript back in 1995, he […]
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ES6 In Depth: Proxies
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. Here is the sort of thing we are going to do today. <pre> var obj = new Proxy({}, { get: function (target, key, receiver) { console.log(`getting ${key}!`); return […]
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ES6 In Depth: Generators, continued
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. Welcome back to ES6 In Depth! I hope you had as much fun as I did during our summer break. But the life of a programmer cannot be […]
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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 hurdle and was approved as an Ecma standard. Congratulations to […]
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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. Note: There is now a Vietnamese translation of this post, created by Julia Duong of the Coupofy team. What are ES6 symbols? Symbols are not logos. They’re not […]
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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 in HTML comments. This would prevent browsers that didn’t support […]
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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 Nick’s blog as Destructuring Assignment in ES6. What is destructuring […]
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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 said. Something that won’t melt your brain, I said. We’ll […]
