Checks if value is classified as an ArrayBuffer object — a fixed-length raw binary buffer. Typed-array views are different. Part of Lodash Lang since 4.3.0 (stable — not deprecated).
Pass the value you want to inspect or convert. Read the return type carefully before you use the result.
Call _.isArrayBuffer. Start with this line.
_.isArrayBuffer(value)| Call | What it does |
|---|---|
_.isArrayBuffer(value) | Primary signature. |
Prefer import isArrayBuffer from "lodash/isArrayBuffer" when you want a smaller bundle.
_.isArrayBuffer(value)| Parameter | Description |
|---|---|
| value | Required. The value to check |
| Return Value | Description |
|---|---|
| * | true if ArrayBuffer, else false |
A constructed ArrayBuffer passes the check.
_.isArrayBuffer(new ArrayBuffer(2));
// → truenew ArrayBuffer(2) — 2 bytes.true.Uint8Array when you need to read bytes.A JavaScript Array is not an ArrayBuffer — names are similar, types are not.
_.isArrayBuffer(new Array(2));
// → falsenew Array(2) builds a sparse Array of length 2.false._.isArray.Uint8Array wraps a buffer — it is not the buffer itself.
var view = new Uint8Array(2);
_.isArrayBuffer(view); // → false
_.isTypedArray(view); // → true
_.isArrayBuffer(view.buffer); // → trueUint8Array is a typed-array view → isArrayBuffer is false._.isTypedArray(view) is true.view.buffer is the raw ArrayBuffer → true.DataView reads a buffer with flexible endianness — still not an ArrayBuffer.
var buf = new ArrayBuffer(4);
var dv = new DataView(buf);
_.isArrayBuffer(dv); // → false
_.isArrayBuffer(buf); // → trueDataView is a view over that buffer.ArrayBuffer.isView(dv) is true.An object that only looks like a buffer is not an ArrayBuffer.
_.isArrayBuffer({ byteLength: 2 });
// → false
_.isArrayBuffer(null);
// → falsebyteLength is not enough.false.ArrayBuffer instances pass._.isArrayBuffer is a Lodash Lang helper (added in 4.3.0). It needs a runtime that provides ArrayBuffer (all modern browsers and Node). It runs anywhere Lodash 4.3+ runs — CDN/bundle in browsers and Node.js / Bun / Deno with npm install lodash.
Available in [email protected]+ full builds and the lodash/isArrayBuffer modular import. Works in evergreen browsers and current Node LTS when Lodash is installed.
Bottom line: Safe for production once Lodash 4.3.0+ is on the page or in your bundle. Prefer import isArrayBuffer from "lodash/isArrayBuffer" for smaller builds. Native value instanceof ArrayBuffer is a close alternative in same-realm code.
Check whether a value has indexed keys and a valid length.
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