ResizeObserver による変更検知と Element Query | blog.jxck.io
Intro ResizeObserver の ship が進みつつある。 この仕様の解説および、 ElementQuery / ContainerQuery について解説する。 Resize Observer 1 ResizeObserver ResizeObserver は、最近増えつつある ObserverFamily の 1 つであり、要素のリサイズを検知するインタフェースである。 リサイズを検知したい要素をターゲットに observe() すると、ターゲットと矩形情報が取得できる。 const resizeObserver = new ResizeObserver((entries) => { entries.forEach(({target, contentRect}) => { console.log(target) const {x, y, width, height, to
WebGL Water
Made by Evan Wallace This demo requires a decent graphics card and up-to-date drivers. If you can't run the demo, you can still see it on YouTube. Interactions: Draw on the water to make ripples Drag the background to rotate the camera Press SPACEBAR to pause and unpause Drag the sphere to move it around Press the L key to set the light direction Press the G key to toggle gravity Features: Raytrac
Vorlon.JS
Getting Started Learn everything you need to about Vorlon.js 0.1.0 in this video Install and run the Vorlon.JS server from npm: $ npm i -g vorlon $ vorlon If you are on a mac $ sudo npm i -g vorlon $ sudo vorlon You may receive an error from npm during installation about Python, node-gyp and socket.io. You can ignore this error as it is related to an optional module. Socket.io team is already awar
FOAM Framework
High-level You write very high-level, declarative models, and FOAM builds many features from them: default views, storage, serialization, Java and Swift classes, and much more. Compact Your app and FOAM itself are both modeled, keeping your payload small. Our Gmail app is 150KB unzipped. With so little code to write, FOAM is perfect for rapid app development. Fast FOAM apps are small and load fast
RawGit
RawGit has reached the end of its useful life October 8, 2018 RawGit is now in a sunset phase and will soon shut down. It's been a fun five years, but all things must end. GitHub repositories that served content through RawGit within the last month will continue to be served until at least October of 2019. URLs for other repositories are no longer being served. If you're currently using RawGit, pl
Ocrad.js - Optical Character Recognition in Javascript
Ocrad.js is a pure-javascript version of Antonio Diaz Diaz's Ocrad project, automatically converted using Emscripten. It is a simple OCR (Optical Character Recognition) program that can convert scanned images of text back into text. Clocking in at about a megabyte of Javascript with no hefty training data dependencies (looking at you, Tesseract), it's on the lighter end of the spectrum. This was m
HTML5ゲームエンジン「Phaser」が初心者とモバイルにやさしくていい感じです - syonx
Phaser - Desktop and Mobile HTML5 game framework モバイル/デスクトップ向けのHTML5製の2Dゲームフレームワーク。 Pixi.jsベースでCanvasやWebGLのレンダリングもサポート。 Tags: flash-like 2d sounds collisions physics typescript webgl free cdnjs: //cdnjs.cloudflare.com/ajax/libs/phaser/2.0.5/phaser.min.js Examples - PixiJS ベースとなっている Pixi.js のサンプル。レンダリング結果の雰囲気がつかめる。 HTML5 Game Engines - Find Which is Right For You HTML5ベースのゲームエンジン一覧。比較がしやすい。 Phaser
JavaScriptライブラリの気になる実装をどうやって見ていくか
はじめに 毎日新しいJavaScriptライブラリが登場していると思いますが、それらがどういう実装になっているかを知ることはライブラリを使う以上に大事かもしれません。 ソースを全部読めば分かるかもしれませんが、それをやるには時間が足りません。 JavaScriptに限った話では無いですが、今回はJavaScriptを例に”特定の機能はどうやってるんだろ?”という事を調べる方法についてです。 探す前にドキュメントに載ってないかを見るのが手間がなくて一番よいですが、書いてない場合は実装を見ます。 Vue.js 今回はVue.jsというAngularJSやKnockoutのようなViewとModelのデータバインディグを行うライブラリを例に、データバインディグはどうやっているのかを2つの方法で調べてみたいと思います。 コードをステップで見ていく これはよく見る方法で皆さんもやったことがあると思い
rainyday.js
About The idea behind rainyday.js is to create a JavaScript library that makes use of the HTML5 canvas to render an animation of raindrops falling on a glass surface. Simple enough, right? Have a look at the demos to see it in action. Features rainyday.js features extendable API, collision detection and is easy to extend with your own implementations of different animation components. Cross-browse
lz-string: JavaScript compression, fast!
Goal lz-string was designed to fulfill the need of storing large amounts of data in localStorage, specifically on mobile devices. localStorage being usually limited to 5MB, all you can compress is that much more data you can store. You don't care about the blah-blah? The demo. The GitHub repository. The user guide. What about other libraries? All I could find was: some LZW implementations which gi
datalist experiment
datalist experiment By using <datalist>, you can define a list of suggestions you want the user to select from. Users can optionally select from your suggestions as well as typing it by themselves. Options can be tagged with datalist and referenced from the input element using list attribute by its id. See examples below. input[type=text] datalist For text type, datalist simply suggests list of wo
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http://gunta.org/projects/three.js/personal/