Resizable buffers

The resize() method of an ArrayBuffer and the grow() method of a SharedArrayBuffer, constructed with the maxByteLength option, changes the size of the buffer in place.

Baseline Status: Achieved Newly Available on Jul 9, 2024 across core engines.

Desktop Browser Engine Support

Google Chrome

111

Supported

Mozilla Firefox

128

Supported

Apple Safari

16.4

Supported

Microsoft Edge

111

Supported

Mobile Browser Engine Support

Chrome Android

111

Firefox Android

128

Safari iOS

16.4

Specifications and References

Specification ↗ Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

javascript.builtins.ArrayBuffer.ArrayBuffer.maxByteLength_option ↗ javascript.builtins.ArrayBuffer.maxByteLength ↗ javascript.builtins.ArrayBuffer.resizable ↗ javascript.builtins.ArrayBuffer.resize ↗ javascript.builtins.SharedArrayBuffer.SharedArrayBuffer.maxByteLength_option ↗ javascript.builtins.SharedArrayBuffer.grow ↗ javascript.builtins.SharedArrayBuffer.growable ↗ javascript.builtins.SharedArrayBuffer.maxByteLength ↗