The integrity read-only property of the Request interface contains the subresource integrity value of the request.
var myIntegrity = request.integrity;
The subresource integrity value of the request (e.g., sha256-BpfBw7ivV8q2jLiT13fxDYAe2tJllusRSZ273h2nFSE=).
If an integrity has not been specified, the property returns ''.
In the following snippet, we create a new request using the Request.Request() constructor (for an image file in the same directory as the script), then save the request integrity value in a variable:
var myRequest = new Request('flowers.jpg');
var myIntegrity = myRequest.integrity; | Specification | Status | Comment |
|---|---|---|
| Fetch The definition of 'integrity' in that specification. | Living Standard | Initial definition |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 46 | Yes | Yes | No | Yes | No |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | No | 46 | Yes | No | Yes | No | 5.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/Request/integrity