Intl.NumberFormat v3 API

Category: JavaScript
Type: No developer-visible change
Status: Enabled by default (Chrome 106)
Intent stage: Shipped

Summary

Intl.NumberFormat v3 API is a new TC39 ECMA402 stage 3 proposal extend the pre-existing Intl.NumberFormat, with the following new features: 1. Add 3 new functions to format range of number: formatRange / formatRangeToParts / selectRange 2. Grouping Enum 3. New Rounding/Precision Options 4. Rounding Priority 5. Interpret Strings as Decimals 6. Rounding Modes 7. Sign Display Negative https://github.com/tc39/proposal-intl-numberformat-v3

Motivation

Intl.NumberFormat v3 is a stage3 ECMA402 proposal which support formatting a number range, taking value in string form for higher precision, etc.

Standards & signals

Specification: https://github.com/tc39/proposal-intl-numberformat-v3#ecma-402-proposal-intlnumberformat-v3
Firefox: Shipped/Shipping
Safari: Shipped/Shipping — https://developer.apple.com/safari/technology-preview/release-notes/ (Release 139)
Web developers: No signals — https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/NumberFormat/formatRangeToParts
Tracking bug: https://bugs.chromium.org/p/v8/issues/detail?id=10776

Docs: https://docs.google.com/document/d/19jAogPBb6W4Samt8NWGZKu47iv0_KoQhBvLgQH3xvr8/edit#heading=h.86ckkob9p59r https://docs.google.com/document/d/14zxGub6Os6nARzH6XstOZX05w2537sZo_ZSSlGjGpBM/edit#heading=h.86ckkob9p59r

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