How to use Media Source Extensions with AirPlay

How to use Media Source Extensions with AirPlay

Media Source Extensions (MSE) is a popular way to provide streaming video on the web.

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WebGPU now available for testing in Safari Technology Preview

WebGPU now available for testing in Safari Technology Preview

WebGPU is a new standards-compliant API that enables high-performance 3D graphics and general-purpose computations on the Web.

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Understanding Garbage Collection in JavaScriptCore From Scratch

Understanding Garbage Collection in JavaScriptCore From Scratch

JavaScript relies on garbage collection (GC) to reclaim memory.

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Meet Web Push

Meet Web Push

Websites have many reasons to notify their users of time-sensitive or high-priority events, even if the user does not currently have the site open.

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Wide Gamut 2D Graphics using HTML Canvas

Wide Gamut 2D Graphics using HTML Canvas

Support for creating 2D canvases with Display P3 backing stores has been added to WebKit.

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Optimizing JavaScript Standard Library Functions in JSC

Optimizing JavaScript Standard Library Functions in JSC

After three years working on JavaScriptCore (JSC), I recently had the opportunity to work on optimizing one of our standard library functions for the first time.

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Speculation in JavaScriptCore

Speculation in JavaScriptCore

This post is all about speculative compilation, or just speculation for short, in the context of the JavaScriptCore virtual machine.

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A Tour of Inline Caching with Delete

A Tour of Inline Caching with Delete

If you search for any JavaScript performance advice, a very popular recommendation is to avoid the delete operator.

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A New Bytecode Format for JavaScriptCore

A New Bytecode Format for JavaScriptCore

In revision r237547 we introduced a new bytecode format for JavaScriptCore (JSC).

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Web High Level Shading Language

Web High Level Shading Language

This article is introducing a new graphics shading language for the Web named Web High Level Shading Language (WHLSL, pronounced “whistle”).

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Concurrent JavaScript:
It can work!

Concurrent JavaScript:
It can work!

With the recent addition of SharedArrayBuffer, concurrency is finding its way into the JavaScript language.

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Assembling WebAssembly

Assembling WebAssembly

WebAssembly in WebKit.

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