Transferable ArrayBufferBaseline · Widely available
The transfer() and transferToFixedLength() methods of ArrayBuffer move a buffer from one context to another (for example, to a worker).
Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Mar 5, 2024. Widely available since Sep 5, 2026.
Browser support
DesktopChrome
1–113Not supported
114+Supportedsince May 30, 2023
Current: 155Edge
12–113Not supported
114+Supportedsince Jun 2, 2023
Current: 154Firefox
1–121Not supported
122+Supportedsince Jan 23, 2024
Current: 157Safari
1–17.3Not supported
17.4+Supportedsince Mar 5, 2024
Current: 27MobileChrome Android
18–113Not supported
114+Supportedsince May 30, 2023
Current: 155Firefox Android
4–121Not supported
122+Supportedsince Jan 23, 2024
Current: 157Safari iOS
1–17.3Not supported
17.4+Supportedsince Mar 5, 2024
Current: 27How to use
This feature is Baseline widely available — use it freely, no fallback needed.
Example
Full syntax and examples are on MDN: detached.
Feature detection
JS · check before using
if ("detached" in ArrayBuffer || ("prototype" in ArrayBuffer && "detached" in ArrayBuffer.prototype)) {
// ArrayBuffer.detached is available
}Documentation (MDN)
Specification
Sub-features
Support for each part of the feature (3). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| ArrayBuffer.detached | 114 | 114 | 122 | 17.4 | 114 | 122 | 17.4 |
| ArrayBuffer.transfer | 114 | 114 | 122 | 17.4 | 114 | 122 | 17.4 |
| ArrayBuffer.transferToFixedLength | 114 | 114 | 122 | 17.4 | 114 | 122 | 17.4 |