Safari 18.4 Ships 3 New JavaScript Features from the TC39 Pi...
Blog post from Socket
Safari 18.4 introduces support for three new JavaScript features from the TC39 proposal process, enhancing its JavaScript capabilities and achieving full cross-browser coverage for significant ECMAScript standards. The update includes Iterator Helpers, a Stage 4 feature allowing efficient data handling through lazy evaluation, Error.isError, a Stage 3 method for reliable error identification, and Atomics.pause, another Stage 3 feature that optimizes CPU resource usage in spin-wait loops. This trend of rapid adoption of modern JavaScript features by major browsers, including Chrome and Firefox, reflects the evolving landscape of JavaScript development, where new language features swiftly transition from proposal to production. Safari 18.4 not only closes gaps with other major browsers in JavaScript support but also adds 84 new web platform features, positioning itself as a competitive player in the modern web ecosystem.
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