Crypto getRandomValues()
Description
The crypto.getRandomValues()
method returns an array of random numbes.
The crypto.getRandomValues()
method returns cryptographically strong random values.
Note
crypto.getRandomValues() returns the same array that is passed, with the contents replaced with new random numbers. The contents of the original array is not saved.
The array must be a typedArray of integers:
- Int8Array
- Uint8Array
- Uint8ClampedArray
- Int16Array
- Uint16Array
- Int32Array
- Uint32Array
- BigInt64Array
- BigUint64Array
See Also:
The Math.random() MethodSyntax
crypto.getRandomValues(array)
Parameters
Parameter | Description |
array | Required. A typedArray of integers. |
Return Value
Type | Description |
typedArray | A typedArray of integers. |
Browser Support
crypto.getRandomValues()
is an ECMAScript6 (ES6) feature.
ES6 (JavaScript 2015) is supported in all modern browsers since June 2017:
Chrome 51 | Edge 15 | Firefox 54 | Safari 10 | Opera 38 |
May 2016 | Apr 2017 | Jun 2017 | Sep 2016 | Jun 2016 |
crypto.getRandomValues()
is not supported in Internet Explorer.