Microsoft Edge documentation Accessibility Design Build ARIA and UI Automation Test Dev guide What's New in EdgeHTML What's New in EdgeHTML 15 What's New in EdgeHTML 14 What's New in EdgeHTML 13 What's New in EdgeHTML 12 CSS Animations Calc function Exclusions Filter effects Flexbox Gradients Grid layout Length units relative and absolute Media queries Media query listeners Multi column layout Newly supported properties and pseudo classes Regions Supports at rule Transforms Transitions DOM Dom event constructors Gamepad API Input Method Editor API Mutation observers Pointer events Pointer lock Touch events Xpath HTML5 Audio File API Blob FileReader Folder upload Newly supported elements and attributes Sandbox Selection API Video Timed text tracks Browser Flash Reading view Search provider discovery Device Geolocation Payment Request API Device orientation and motion events Fullscreen API High DPI support Screen Orientation API Web Notifications API Web authentication Graphics SVG WebGL Canvas Multimedia Encrypted Media Extensions Media Capture and Streams Media Source Extensions Web Audio Web Speech API Networking and connectivity HTTP2 Application cache WebSocket Performance XMLHttpRequest Animation Timing API Beacon API Efficient script yielding Fetch API Navigation Timing API Page Visibility API Prerender and prefetch support Resource Timing API Streams API User Timing API Realtime communication Message channels Object RTC API Security HSTS Content Security Policy Meta referrer Web Cryptography API Storage IndexedDB How to create a tag cloud using IndexedDB Saving large files locally Web and offline storage Tools Console logging API WebDriver Extensions API support Extension API roadmap Supported APIs Supported manifest keys JSON manifest example Extensions for enterprise Getting started Guides Accessibility Adding and removing extensions Creating an extension Debugging extensions Design Internationalization Native messaging Packaging Creating and testing extension packages Extensions in the Windows Dev Center Localizing extension packages Using ManifoldJS to package extensions Running the Windows App Certification Kit Porting Chrome extensions Microsoft browser extension policy Tips and tricks Troubleshooting Microsoft Edge F12 DevTools What's new Elements Styles Computed Events DOM breakpoints Fonts Accessibility Changes Console Console API Command Line Error and status codes Debugger Progressive Web App debugging Cookies manager Web storage manager Network Performance Memory Emulation Performance analysis Windows performance toolkit Analyzing a trace Recording a trace WebDriver commands Dialogs Element inspection Input Navigation Screenshots Script execution Server Sessions Window