The CryptoKey.extractable read-only property that indicates if the raw material key can be extracted, for example for archiving it.
result = key.extractable
result is a Boolean indicating if the key can be extracted.| Specification | Status | Comment |
|---|---|---|
| Web Cryptography API The definition of 'CryptoKey.extractable' in that specification. | Recommendation | Initial definition. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 37 | 12 | 34 | No | ? | No |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | 37 | 37 | Yes | 34 | ? | No | Yes |
Crypto and Crypto.subtle.CryptoKey, the interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/CryptoKey/extractable