Background Sync API - UNOFF Global usage 72.76% + 0% = 72.76%; ... Google Developers blog: Introducing Background Sync. HTML5 audio and the Web Audio API are BFFs! The feature request is tracked here. It has already been implemented on Chrome and Android since 2016, and is under development on Edge and Firefox. The specification is still under study. This can be useful for a broad range of apps. As soon as it is back online, the Service Worker sends the data to the server. If the web application is in the foreground, the list of participants should also be updated with the refresh function insyncAttendees. Can I use... Browser support tables for modern web technologies. Background Sync Logo So what exactly is Background Sync? Background syncs are usually used for sending data after the user left the page, while the periodic background sync synchronizes data in the background without any user interaction. Hot Network Questions Numerically stable way to compute sqrt((b²*c²) / (1-c²)) for c in [-1, 1] In the above, doSomeStuff() should return a promise indicating the success/failure of whatever it’s trying to do. This idea is a little further off than one-off syncing, but it’s coming. The request won't be sent, and perhaps the user realizes their request never made it through, or perhaps they are unaware. The Background Sync API promises to dramatically improve the web browsing experience for users who go offline or are on crappy connections. Upon rejection the user agent should reschedule (likely with a user agent determined backoff). To do this, we first retrieve a reference to the ServiceWorkerRegistration, which represents the registration link between your Service Worker and your client. Fortunately, there's a better way. Chrome Dev Summit 2014: Polymer - State of the Union, Chrome Dev Summit 2014: The Applied Science of Runtime Performance, Web Animations Playback Control in Chrome 39, Developer feedback needed: Frame Timing API, Support for theme-color in Chrome 39 for Android, Easier ArrayBuffer to String conversion with the Encoding API, Blob support for IndexedDB landed on Chrome Dev, Web Animations - element.animate() is now in Chrome 36, Yo Polymer – A Whirlwind Tour Of Web Component Tooling, Web apps that talk - Introduction to the Speech Synthesis API, Chrome Dev Summit: Open Web Platform Summary, Chrome Dev Summit: Polymer declarative, encapsulated, reusable components, New Web Animations engine in Blink drives CSS Animations & Transitions, The Landscape Of Front-end Development Automation (Slides). The idea of the API is much older than the term. Made with at @outlandish. I have to use rest API. Here’s a simple demo that does the bare minimum; it uses the sync event to show a notification. The scheduling granularity is in milliseconds but events may be delayed from firing for several hours depending on usage frequency and device state (battery, connection, location). IndexedDB Store in dev tools. Try it #. Please upgrade to a supported browser. But progressive enhancement helps here: If service workers or background sync aren’t available, just post the content from the page as you’d do today. Go back to your home screen (optionally close the tab/browser). Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. 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