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Automated testing with Headless Chrome | Blog | Chrome for Developers
If you want to run automated tests using Headless Chrome, look no further! This article will get you all set up using Karma as a runner and Mocha+Chai for authoring tests. What are these things? Karma, Mocha, Chai, Headless Chrome, oh my! Karma is a testing harness that works with any of the most popular testing frameworks (Jasmine, Mocha, QUnit). Chai is an assertion library that works with Node
Getting Started with Headless Chrome | Blog | Chrome for Developers
TL;DR Headless Chrome is shipping in Chrome 59. It's a way to run the Chrome browser in a headless environment. Essentially, running Chrome without chrome! It brings all modern web platform features provided by Chromium and the Blink rendering engine to the command line. Why is that useful? A headless browser is a great tool for automated testing and server environments where you don't need a visi
New in Chrome 58 | Blog | Chrome for Developers
The IndexedDB 2.0 standard is now fully supported in Chrome, and features new schema management, bulk action methods, and more standardized handling of failures. Progressive Web Apps become more immersive with display: fullscreen. allow-top-navigation-by-user-activation gives sandboxed iframes new powers And there's plenty more! Want the full list of changes? Check out the Chromium source reposito
position:sticky is back in Chrome | Blog | Chrome for Developers
Four years ago Eric Bidelman created a rather awesome blog post about the fact that position: sticky landed in WebKit, which at the time was the engine that powered Chrome (as well as many other browsers including Safari). One year later, and much to the consternation of web developers we removed position:sticky from Chrome because "the current implementation isn't designed in a way that integrate
Cut and copy commands | Blog | Chrome for Developers
IE10 and above added support for the 'cut' and 'copy' commands through the Document.execCommand() method. As of Chrome version 43, these commands are also supported in Chrome. Any text selected in the browser when one of these commands is executed will be cut or copied to the user's clipboard. This lets you offer the user a simple way to select a portion of text and copy it to the clipboard. This
Profiling long paint times with DevTools' continuous painting mode | Blog | Chrome for Developers
Continuous painting mode for paint profiling is now available in Chrome Canary. This article explains how you identify a problem in page painting time and how you can use this new tool to detect bottlenecks in painting performance. Investigating painting time on your page So you noticed that your page doesn't scroll smoothly. This is how you would start tackling the problem. For our example, we'll
Stick your landings! position - sticky lands in WebKit | Blog | Chrome for Developers
position: sticky is a new way to position elements and is conceptually similar to position: fixed. The difference is that an element with position: sticky behaves like position: relative within its parent, until a given offset threshold is met in the viewport. Use cases Paraphrasing from Edward O’Connor's original proposal of this feature: Introducing sticky positioning LAUNCH DEMO By simply addin
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