RandomSource represents a source of cryptographically secure random numbers. It is available via the Crypto object of the global object: Window.crypto on Web pages, WorkerGlobalScope.crypto in workers.
RandomSource is a not an interface and no object of this type can be created.
RandomSource neither defines nor inherits any property.
RandomSource.getRandomValues()ArrayBufferView with cryptographically sound random values.| Specification | Status | Comment |
|---|---|---|
| Web Cryptography API | Recommendation | Initial definition |
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 11.0 WebKit bug 22049 | (Yes) | 21 (21) [1] | 11.0 | 15.0 | 3.1 |
| Feature | Android | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | No support | 23 | (Yes) | 21.0 (21) | No support | No support | 6 |
[1] Although the transparent RandomSource is only available since Firefox 26, the feature was available in Firefox 21.
Window.crypto to get a Crypto object.Math.random, a non-cryptographic source of random numbers.
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https://developer.mozilla.org/en-US/docs/Web/API/RandomSource