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Float16ArrayBaseline · Newly available

Float16Array is a typed array of 16-bit floating point numbers.

Works in the latest version of every major browser, but older devices may not support it yet. Baseline since Apr 4, 2025.

How to use ↓Compare browsers

Browser support

DesktopChrome
1–134Not supported
135+Supportedsince Apr 1, 2025
Current: 155
Edge
12–134Not supported
135+Supportedsince Apr 4, 2025
Current: 154
Firefox
1–128Not supported
129+Supportedsince Aug 6, 2024
Current: 157
Safari
1–18.1Not supported
18.2+Supportedsince Dec 11, 2024
Current: 27
MobileChrome Android
18–134Not supported
135+Supportedsince Apr 1, 2025
Current: 155
Firefox Android
4–128Not supported
129+Supportedsince Aug 6, 2024
Current: 157
Safari iOS
1–18.1Not supported
18.2+Supportedsince Dec 11, 2024
Current: 27

How to use

Every current browser supports this, but it only became Baseline on Apr 4, 2025. Use it as a progressive enhancement, or keep a fallback if you support older devices.

Example

Full syntax and examples are on MDN: getFloat16.

Feature detection

JS · check before using
if (typeof Float16Array !== "undefined") {
  // Float16Array is available
}

Documentation (MDN)

Specification

Sub-features

Support for each part of the feature (5). The overall table above shows when the whole feature works.

Sub-featureChromeEdgeFirefoxSafariChrome AndroidFirefox AndroidSafari iOS
DataView.getFloat1613513512918.213512918.2
DataView.setFloat1613513512918.213512918.2
Float16Array13513512918.213512918.2
Float16Array.Float16Array13513512918.213512918.2
Math.f16round13513512918.213512918.2