The static Atomics.load() method returns a value at a given position in the array.

Syntax

Atomics.load(typedArray, index)

Parameters

typedArray
A shared integer typed array. One of Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, or Uint32Array.
index
The position in the typedArray to load from.

Return value

The value at the given position (typedArray[index]).

Exceptions

  • Throws a TypeError, if typedArray is not one of the allowed integer types.
  • Throws a TypeError, if typedArray is not a shared typed array type.
  • Throws a RangeError, if index is out of bounds in the typedArray.

Examples

var sab = new SharedArrayBuffer(1024);
var ta = new Uint8Array(sab);

Atomics.add(ta, 0, 12);
Atomics.load(ta, 0); // 12

Specifications

Specification Status Comment
ECMAScript Latest Draft (ECMA-262)
The definition of 'Atomics.load' in that specification.
Living Standard Initial definition in ES2017.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic Support6016

55

46 — 541

No No10.1
FeatureAndroidChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic Support6060 ?

55

46 — 541

No No No

1. From version 46 until version 54 (exclusive): this feature is behind the javascript.options.shared_memory preference (needs to be set to true). To change preferences in Firefox, visit about:config.

See also

Document Tags and Contributors

 Contributors to this page: fscholz, lth
 Last updated by: fscholz,