Atomics.isLockFree()
The Atomics.isLockFree() static
method is used to determine whether the Atomics methods use locks
or atomic hardware operations when applied to typed arrays with the given element
byte size.
It returns false if the given size is not one of the BYTES_PER_ELEMENT
property of integer TypedArray types.
Try it
Syntax
js
Atomics.isLockFree(size)
Parameters
size-
The size in bytes to check.
Return value
A true or false value indicating whether the operation is lock free.
Examples
Using isLockFree
js
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
| Specification |
|---|
| ECMAScript Language Specification # sec-atomics.islockfree |
Browser compatibility
| desktop | mobile | server | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
isLockFree | |||||||||||||