Atomics.store()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since December 2021.
The Atomics.store() static
method stores a given value at the given position in the array and returns that value.
Try it
Syntax
js
Atomics.store(typedArray, index, value)
Parameters
typedArray-
An integer typed array. One of
Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,BigInt64Array, orBigUint64Array. index-
The position in the
typedArrayto store avaluein. value-
The number to store.
Return value
The value that has been stored.
Exceptions
TypeError-
Thrown if
typedArrayis not one of the allowed integer types. RangeError-
Thrown if
indexis out of bounds in thetypedArray.
Examples
Using store()
js
const sab = new SharedArrayBuffer(1024);
const ta = new Uint8Array(sab);
Atomics.store(ta, 0, 12); // 12
Specifications
| Specification |
|---|
| ECMAScript Language Specification # sec-atomics.store |
Browser compatibility
BCD tables only load in the browser