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Web Platform Baseline Status Breakdown Total Features: 1198
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Showing 2 of 2 features

2026

2 features
• September 2026
Newly Available

The await keyword, when used at the top level of a module (outside of an async function), delays parent module execution until after a promise fulfills.

Chrome 89
Firefox 89
Safari 27
Edge 89
Baseline Date: Sep 14, 2026
• April 2026

The Math.sumPrecise() static method returns the sum of an iterable of numbers. It avoids the precision loss of intermediate partial sums, as found using reduce() or a loop to add together an array of values.

Chrome 147
Firefox 137
Safari 26.2
Edge 147
Baseline Date: Apr 10, 2026