Atomics.isLockFree() - JavaScript 编辑

The static Atomics.isLockFree() method is used to determine whether to use locks or atomic operations. It returns true, if the given size is one of the BYTES_PER_ELEMENT property of integer TypedArray types.

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Syntax

Atomics.isLockFree(size)

Parameters

size

The size in bytes to check.

Return value

A Boolean indicating whether the operation is lock free.

Examples

Using isLockFree

Atomics.isLockFree(1); // true
Atomics.isLockFree(2); // true
Atomics.isLockFree(3); // false
Atomics.isLockFree(4); // true
Atomics.isLockFree(5); // false
Atomics.isLockFree(6); // false
Atomics.isLockFree(7); // false
Atomics.isLockFree(8); // true

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Atomics