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html2canvas - Screenshots with JavaScript
<div id="capture" style="padding: 10px; background: #f5da55"> <h4 style="color: #000; ">Hello world!</h4> </div> html2canvas(document.querySelector("#capture")).then(canvas => { document.body.appendChild(canvas) });
ç”»åƒã¨ã‚ャンãƒã‚¹ã‚’オリジン間ã§åˆ©ç”¨ã§ãるよã†ã«ã™ã‚‹ - HTML: ãƒã‚¤ãƒ‘ーテã‚ストマークアップ言語 | MDN
HTML ã§ã¯ç”»åƒã« crossorigin 属性をæä¾›ã—ã€é©åˆ‡ãª CORS ヘッダーã¨çµ„ã¿åˆã‚ã›ã‚‹ã“ã¨ã§ã€ <img> è¦ç´ ã§å®šç¾©ã•ã‚Œã¦ã„ã‚‹ä»–ã®ã‚ªãƒªã‚¸ãƒ³ã‹ã‚‰èªã¿è¾¼ã¾ã‚ŒãŸç”»åƒã‚’〠<canvas> ã®ä¸ã§ç¾åœ¨ã®ã‚ªãƒªã‚¸ãƒ³ã‹ã‚‰èªã¿è¾¼ã¾ã‚ŒãŸç”»åƒã§ã‚ã‚‹ã‹ã®ã‚ˆã†ã«æ‰±ã†ã“ã¨ãŒã§ãã¾ã™ã€‚ crossorigin 属性ã®ä½¿ã„æ–¹ã«ã¤ã„ã¦ã¯ CORS è¨å®šå±žæ€§ã‚’ã”覧ãã ã•ã„。 ã‚ャンãƒã‚¹ã®ãƒ“ットマップ内ã®ãƒ”クセルã¯æ§˜ã€…ãªã‚½ãƒ¼ã‚¹ã€ä¾‹ãˆã°ä»–ã®ãƒ›ã‚¹ãƒˆã‹ã‚‰å—ã‘å–ã£ãŸç”»åƒã‚„å‹•ç”»ãªã©ã‹ã‚‰æ¥ã‚‹ã“ã¨ã‚‚ã‚ã‚Šã¾ã™ãŒã€ã‚»ã‚ュリティã®å•é¡ŒãŒç™ºç”Ÿã™ã‚‹ã“ã¨ãŒé¿ã‘られã¾ã›ã‚“。 CORS ã«ã‚ˆã‚‹è¨±å¯ãªã—ã«ä»–ã®ã‚ªãƒªã‚¸ãƒ³ã‹ã‚‰èªã¿è¾¼ã‚“ã 何らã‹ã®ãƒ‡ãƒ¼ã‚¿ã‚’ã‚ャンãƒã‚¹ã«æç”»ã™ã‚‹ã¨ã€ã‚ャンãƒã‚¹ã¯æ±šæŸ“ (taint) ã•ã‚Œã¦ã—ã¾ã„ã¾ã™ã€‚汚染ã•ã‚ŒãŸã‚ャンãƒã‚¹ã¯å®‰å…¨ã¨ã¿ãªã•ã‚Œãªããªã‚Šã€ãã®ã‚ャンãƒã‚¹ã‹ã‚‰ç”»åƒãƒ‡ãƒ¼ã‚¿ã‚’å–å¾—ã—よã†ã¨ã™ã‚‹ã¨ã€ä¾‹å¤–ãŒç™ºç”Ÿã™ã‚‹ã§ã—ょã†ã€‚
JavaScriptグラフィックス
TOPICS Web , HTML/CSS , JavaScript 発行年月日 2012å¹´03月 PRINT LENGTH 288 ISBN 978-4-87311-528-3 原書 Supercharged JavaScript Graphics FORMAT PDF Webテクノãƒã‚¸ãƒ¼ãŒé€²åŒ–ã—ãŸã“ã¨ã«ã‚ˆã‚ŠJavaScriptグラフィックスを使ã£ãŸãƒªãƒƒãƒãªWebアプリケーション開発ãŒå¯èƒ½ã«ãªã‚Šã¾ã—ãŸã€‚本書ã§ã¯JavaScriptã«ã‚ˆã‚‹æœ€æ–°ã®ã‚°ãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚¹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ã¤ã„ã¦è§£èª¬ã—ã¾ã™ã€‚ゲームやDHTMLエフェクトã€HTML5 Canvasãªã©ã®å®Ÿä¾‹ã‚’通ã—ã¦ã€é«˜æ€§èƒ½ãªJavaScriptグラフィックスã®å®Ÿè£…方法をå¦ã³ã¾ã™ã€‚グラフィックスやアニメーションã ã‘ã§ãªãã€WebSocketを用ã„ãŸé€šä¿¡ã€Google Chart Toolsã€ã‚¹ãƒžãƒ¼ãƒˆãƒ•ã‚©ãƒ³å‘ã‘ã®ãƒˆãƒ”ックã¾ã§å¹…広ã扱ã„ã¾ã™ã€‚日本語
HTML5ã§ãƒ†ã‚ストã®ã‚·ãƒ£ãƒƒãƒ•ãƒ«æ¼”出ãŒã§ãã‚‹JSライブラリ「ShuffleText.js〠| ClockMaker Blog
Flashã§ã‚ˆã見ã‹ã‘るテã‚ストシャッフル演出(æ–‡å—列ãŒãƒ©ãƒ³ãƒ€ãƒ ã§åˆ‡ã‚Šæ›¿ã‚る演出ã€æ£ã—ã„呼ã³åã¯ã‚ã‹ã‚Šã¾ã›ã‚“ï½—)ã‚’HTML5ã§ä½œã£ã¦ã¿ã¾ã—ãŸã€‚HTMLã®ã‚¿ã‚°(pã‚¿ã‚°ã¨ã‹)ã«ä½¿ã†ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¨ã€HTML5ã®æ–°è¦ç´ Canvasを使ã†ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã®äºŒç¨®é¡žã‚’用æ„ã—ã¾ã—ãŸã€‚ ã€2017å¹´4月26æ—¥ 追記】 ã€é‡è¦ã€‘JSライブラリーã¯GitHubã§æ›´æ–°ã—ã¦ã„ã¾ã™ã€‚使用ã—ãŸã„æ–¹ã¯æ¬¡ã®GitHubã®ãƒªãƒã‚¸ãƒˆãƒªã‚’御覧ãã ã•ã„。 Canvas版ã¯CreateJS 2015年版ã§ã‚‚動作ã™ã‚‹ã‚ˆã†æ›´æ–°ã—ã¾ã—ãŸã€‚ デモ demo (HTMLエレメント版) demo (Canvas版) ソースコードã¯MITライセンスã§å…¬é–‹ã—ã¦ã—ã¾ã™ã®ã§ã€å€‹äººãƒ»å•†ç”¨å•ã‚ãšã”自由ã«ãŠä½¿ã„ãã ã•ã„。 ShuffleText.js (HTMLエレメント版) ShuffleEaselText.js (Canvas版) ãã‚Œã§ã¯ä»¥ä¸‹ã§ä½¿ã„方を紹介ã—ã¦
Learn web development  | web.dev
Stay organized with collections Save and categorize content based on your preferences. Explore our growing collection of courses on key web design and development subjects. An industry expert has written each course, helped by members of the Chrome team. Follow the modules sequentially, or dip into the topics you most want to learn about.
GitHub - andreasgal/pdf.js: PDF Reader in JavaScript
PDF.JS pdf.js is an HTML5 technology experiment that explores building a faithful and efficient Portable Document Format (PDF) renderer without native code assistance. pdf.js is community-driven and supported by Mozilla Labs. Our goal is to create a general-purpose, web standards-based platform for parsing and rendering PDFs, and eventually release a PDF reader extension powered by pdf.js. Integra
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Data Visualization in the Browser
GitHub - imsky/holder: :city_sunrise: Client-side image placeholders.
GitHub - HumbleSoftware/js-imagediff: JavaScript / Canvas based image diff utility with Jasmine matchers for testing canvas.
humble software development - flotr
Creating thumbnails with drag and drop and HTML5 canvas – Mozilla Hacks - the Web developer blog
CSS　20 stunning examples of CSS 3D transforms
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