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FF128 ReleaseNote/Expr Features - shareable/growable buffers #34135

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Jul 5, 2024
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FF128 ReleaseNote/Expr Features - shareable/growable buffers #34135

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ExprFeature - remove SharedArrayBuffer is growable, ArrayBuffer reziable
hamishwillee Jun 14, 2024
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FF128RelNote: SharedArrayBuffer growable, ArrayBuffer reziable
hamishwillee Jun 14, 2024
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Merge branch 'main' into ff128_js_growable_resizable_buffers
bsmth Jul 4, 2024
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Update files/en-us/mozilla/firefox/releases/128/index.md
hamishwillee Jul 5, 2024
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FF128RelNote: SharedArrayBuffer growable, ArrayBuffer reziable
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hamishwillee committed Jun 25, 2024
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10 changes: 10 additions & 0 deletions files/en-us/mozilla/firefox/releases/128/index.md
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Expand Up @@ -27,6 +27,16 @@ This article provides information about the changes in Firefox 128 that affect d

### JavaScript

- Resizeable {{jsxref("ArrayBuffer")}} and growable {{jsxref("SharedArrayBuffer")}} are now supported, allowing the size of buffers to be changed without having to allocate a new buffer and copy data into it ([Firefox bug 1884150](https://bugzil.la/1884150)).
The relevant method and properties are:
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- Grow {{jsxref("SharedArrayBuffer")}} using the {{jsxref("SharedArrayBuffer.prototype.grow()")}} method.
The maximum allowed size of the buffer is specified using the `options.maxByteLength` parameter to the [`SharedArrayBuffer()` constructor](/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer/SharedArrayBuffer#maxbytelength).
The {{jsxref("SharedArrayBuffer.prototype.growable")}} and {{jsxref("SharedArrayBuffer.prototype.maxByteLength")}} properties indicate whether the buffer can grow, and its maximum allowed size, respectively.
- Resize {{jsxref("ArrayBuffer")}} using the {{jsxref("ArrayBuffer.prototype.resize()")}} method.
The maximum allowed size of the buffer is specified using the `options.maxByteLength` parameter to the [`ArrayBuffer()` constructor](/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/ArrayBuffer#maxbytelength).
The {{jsxref("ArrayBuffer.prototype.resizable")}} and {{jsxref("ArrayBuffer.prototype.maxByteLength")}} properties indicate whether the buffer can be resized, and its maximum allowed size, respectively.

#### Removals

### SVG
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