Baseline Widely available
The Atomics.load() static method returns a value at a given position in the array.
// Create a SharedArrayBuffer with a size in bytes
const buffer = new SharedArrayBuffer(16);
const uint8 = new Uint8Array(buffer);
uint8[0] = 5;
// 5 + 2 = 7
console.log(Atomics.add(uint8, 0, 2));
// Expected output: 5
console.log(Atomics.load(uint8, 0));
// Expected output: 7
Atomics.load(typedArray, index)
The value at the given position (typedArray[index]).
TypeError
Thrown if typedArray is not one of the allowed integer types.
RangeError
Thrown if index is out of bounds in the typedArray.
load
const sab = new SharedArrayBuffer(1024);
const ta = new Uint8Array(sab);
Atomics.add(ta, 0, 12);
Atomics.load(ta, 0); // 12
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