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getRandomValues
The getRandomValues() method fills the passed TypedArray with cryptographically sound random values.
Usage
getRandomValues(typedArray)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
JavaScript
JavaScript
export default function () {
const array = new Uint32Array(10);
crypto.getRandomValues(array);
for (const num of array) {
console.log(num);
}
}Was this page helpful?
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