Improved JavaScript performance, WebAssembly, and Shared Memory in Microsoft Edge
Improved JavaScript performance, WebAssembly, and Shared Memory in Microsoft Edge JavaScript performance is an evergreen topic on the web. With each new release of Microsoft Edge, we look at user feedback and telemetry data to identify opportunities to improve the Chakra JavaScript engine and enable better performance on real sites. In this post, we’ll walk you through some new features coming to Chakra with the Windows 10 Creators Update that improve the day-to-day browsing experience in Microsoft Edge, as well as some new experimental features for developers: WebAssembly, and Shared Memory and Atomics. Under the hood: JavaScript performance improvements Saving memory by re-deferring functions Back in the days of Internet Explorer, Chakra introduced the ability to defer-parse functions, and more recently extended the capability to defer-parse event-handlers. For eligible functions, Chakra performs a lightweight pre-parsing phase where the engine checks [ more… ]
