Features · V8
Show navigationJavaScript and WebAssembly featuresThis section explains the latest new features in JavaScript, the programming language specified by ECMA-262 (ECMAScript) and ECMA-402 (the ECMAScript Internationalization API), and in WebAssembly (Wasm). We aim to provide concise explanations of new language features with easy-to-understand code examples. For more in-depth documentation, please ref
Dynamic import() · V8
Dynamic import() introduces a new function-like form of import that unlocks new capabilities compared to static import. This article compares the two and gives an overview of what’s new. Static import (recap) #Chrome 61 shipped with support for the ES2015 import statement within modules. Consider the following module, located at ./utils.mjs: // Default export export default () => { console.log('Hi
The cost of JavaScript in 2019 · V8
Show navigation Note: If you prefer watching a presentation over reading articles, then enjoy the video below! If not, skip the video and read on. “The cost of JavaScript” as presented by Addy Osmani at #PerfMatters Conference 2019.One large change to the cost of JavaScript over the last few years has been an improvement in how fast browsers can parse and compile script. In 2019, the dominant cost
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