SmooshGate FAQ | Blog | Chrome for Developers
What the smoosh happened?! A proposal for a JavaScript language feature called Array.prototype.flatten turns out to be Web-incompatible. Shipping the feature in Firefox Nightly caused at least one popular website to break. Given that the problematic code is part of the widespread MooTools library, it’s likely that many more websites are affected. (Although MooTools is not commonly used for new web
Unblocking clipboard access | Articles | web.dev
The traditional way of getting access to the system clipboard was via document.execCommand() for clipboard interactions. Though widely supported, this method of cutting and pasting came at a cost: clipboard access was synchronous, and could only read and write to the DOM. That's fine for small bits of text, but there are many cases where blocking the page for clipboard transfer is a poor experienc
GitHub - verekia/js-stack-from-scratch: 🛠️⚡ Step-by-step tutorial to build a modern JavaScript stack.
Welcome to my modern JavaScript stack tutorial: JavaScript Stack from Scratch. 🎉 This is the V2 of the tutorial, major changes happened since the 2016 release. Check the Change Log! This is a straight-to-the-point guide to assembling a JavaScript stack. It requires some general programming knowledge, and JavaScript basics. It focuses on wiring tools together and giving you the simplest possible e
2016 JavaScript Rising Stars
The JavaScript community is going full speed on innovation, what was once trendy becomes old-fashioned a few months later. 2016 is over, you may think you missed something important? Don't worry, we are going to review what were the main trends. Let's see by the numbers which projects got traction in 2016, by comparing the numbers of stars added on Github, over the last 12 months. In 2015, React w
Async/Await Arrive in Firefox – Mozilla Hacks - the Web developer blog
The new async and await keywords—which make asynchronous code more concise, obvious, and maintainable—have arrived in Firefox 52. Currently available in the latest Developer Edition release, Firefox 52 is scheduled for general release in March 2017. JavaScript owes its excellent single-threaded performance and responsiveness on the web to its pervasively asynchronous design. Unfortunately, that sa
JavaScript中級TIPS - Qiita
文字列リテラル HTMLを含む文字列を生成する際に便利なため、囲む時はシングルクォート'hoge'がよい セミコロン 末尾にセミコロンをつけなくても解釈してくれるが、バグを生む可能性があるのでセミコロンはつけるように習慣化する ES6のclass記法のメソッド末尾にはセミコロン不要 同値比較 基本的に===をつかう。==だと寛容過ぎる解釈のため、バグを生むことがある。 短絡評価 hogeFuncの引数にtrue相当の値が入ってきた場合、 ||の右側は読まれない。 hogeFuncの引数にfalse相当の値が入ってきた場合、 （false, null, undefined, NaN, "", 0） ||の右側を読みにいく。
The Service Worker Lifecycle
If you have worked with Service Workers, you may have run into some issues with previous Service Workers still being in control of a document, even though the file itself has been updated. The reason for this is to do with some nuances in the lifecycle of the Service Worker; it may be installed and valid, but not yet actually in control of the document. A Service Worker can be in one of the follow
GoJS - Interactive Diagrams for the Web in JavaScript and TypeScript
Build diagrams for the web in JavaScript and TypeScript GoJS is used to create interactive diagrams to visualize, monitor, and edit your systems. Org charts Create classic org charts. Leverage GoJS to allow users to easily interact with their org charts, editing relationships, collapsing levels, and more.
js-sequence-diagrams by bramp
This should be a diagram! If you don't see it you need Javascript enabled Intro A simple javascript library to turn text into vector UML sequence diagrams. Heavily inspired by websequencediagrams.com, who offer a serverside solution. We use Jison to parse the text, and Snap.svg to draw the image. Examples
React Native · Learn once, write anywhere
function HomeScreen() { return ( <View> <Text> Hello World 👋 🌍!</Text> </View> ); } Written in JavaScript, rendered with native code. React primitives render to native platform UI, meaning your app uses the same native platform APIs other apps do. Native development for everyoneReact Native lets you create truly native apps and doesn't compromise your users' experiences. It provides a core set o
Iterables and iterators in ECMAScript 6
This blog post is outdated. Please read chapter “Iterables and iterators” in “Exploring ES6”. This blog post is part of a series on iteration in ES6: Iterables and iterators in ECMAScript 6 ES6 generators in depth ECMAScript 6 introduces a new interface for iteration, Iterable. This blog post explains how it works, which language constructs consume data via it (e.g., the new for-of loop) and which
D3.js
D3The JavaScript library for bespoke data visualization Create custom dynamic visualizations with unparalleled flexibility
Moment.js | Parse, validate, manipulate, and display dates in javascript.
Moment.js 2.30.1 Parse, validate, manipulate, and display dates and times in JavaScript. Install npm install moment --save # npm yarn add moment # Yarn spm install moment --save # spm meteor add momentjs:moment # meteor bower install moment --save # bower (deprecated) Format Dates moment().format('MMMM Do YYYY, h:mm:ss a'); moment().format('dddd'); moment().format("MMM Do YY"); moment().format('YY
Towards ECMAScript 6 with Esprima 2 · ariya.io
Towards ECMAScript 6 with Esprima 2 Feb 9, 2015 3 min read #es6 #esprima #javascript Little did I know that the start of my adventure with Esprima three years ago will result in something beyond my expectation. While the syntax tree format used by Esprima is not original (see SpiderMonkey Parser API), this de-facto format gains a lot of traction since it provokes a Cambrian explosion of composable
Exploring JS: JavaScript books for programmers
Most of the books are free to read online! You can also buy offline versions. Versions of JavaScript “ES” stands for “ECMAScript” (ES6 is ECMAScript 6, etc.). ECMAScript is standard name for JavaScript. Essential JavaScript and TypeScript books Exploring JavaScript (ES2024 edition) New A modern guide to the language No required knowledge (apart from programming) Start reading here
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Polyfill · Issue #3 · WICG/resize-observer
PixiJS v4
GitHub - flatpickr/flatpickr: lightweight, powerful javascript datetimepicker with no dependencies
New In Chrome 55 | Blog | Chrome for Developers
http://blanketjs.org/examples/backbone-koans-qunit/index.html?coverage=true