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  • Keyboard events in Firefox OS TV

    Getting started The behavior of input events via hardware keys in Firefox OS varies widely from app to app. Early smartphones came with a limited number of keys — Power, Home, Volume up, Volume down — so it was easy for the software to determine an appropriate response for each ...

  • ES6 In Depth: Classes

    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, we get a bit of a respite from the complexity that we’ve seen in previous posts in this series. There are no ...

  • 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. var obj = new Proxy({}, { get: function (target, key, receiver) ...

  • 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 ...

  • Developer Edition 41: View source in a tab, screenshot elements, HAR files, and more

    When we introduced the new Performance tools a few weeks ago, we also talked about how the Firefox Dev Tools team had spent a lot of time focusing on user feedback and what we call ‘polish’ bugs – things reported via our UserVoice feedback channel and Bugzilla. Even though the ...

MDN の改善に貢献する

MDN のすべての内容 (ドキュメント、デモ、サイト自体) は開発者のオープンコミュニティによって作成されています。あなたも参加してください!手助けする方法を選択してください: