The getRandomValues() method fills the passed TypedArray with cryptographically sound random values.
Usage
Parameters
Name | Type | Description |
---|---|---|
typedArray | TypedArray | An integer-based TypedArray to fill with random values. Accepted TypedArray specific types are: Int8Array, Uint8Array, Uint8ClampedArray, Int16Array, Uint16Array, Int32Array, or Uint32Array. |
Return Value
The same array is passed as the typedArray parameter with its contents replaced with the newly generated random numbers. The typedArray parameter is modified in place, and no copy is made.
Throws
Type | Description |
---|---|
QuotaExceededError | Thrown when typedArray is too large and its byteLength exceeds 65536. |
Example
example-webcrypto-getrandomvalues.js