Upcoming regular expression features | Blog | Chrome for Developers
ES2015 introduced many new features to the JavaScript language, including significant improvements to the regular expression syntax with the Unicode (/u) and sticky (/y) flags. But development has not stopped since then. In tight collaboration with other members at TC39 (the ECMAScript standards body), the V8 team has proposed and co-designed several new features to make regular expressions even m
V8 extras · V8
V8 implements a large subset of the JavaScript language’s built-in objects and functions in JavaScript itself. For example, you can see our promises implementation is written in JavaScript. Such built-ins are called self-hosted. These implementations are included in our startup snapshot so that new contexts can be quickly created without needing to setup and initialize the self-hosted built-ins at
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