The error()
method of the ReadableStreamDefaultController
interface causes any future interactions with the associated stream to error.
Note: The error()
method can be called more than once, and can be called when the stream is not readable.
The error()
method of the ReadableStreamDefaultController
interface causes any future interactions with the associated stream to error.
Note: The error()
method can be called more than once, and can be called when the stream is not readable.
js
error(e)
e
The error you want future interactions to fail with.
None (undefined
).
TypeError
Thrown if the source object is not a ReadableStreamDefaultController
.
The A readable stream with an underlying push source and backpressure support example in the spec provides a good example of using ReadablestreamDefaultController.desiredSize
to manually detect when the stream is full and apply backpressure, and also of using error()
to manually trigger a stream error if another part of the system it relies on fails.
Specification |
---|
Streams Standard # rs-default-controller-error |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
error |
≤80 | 80 | 65 | No | 67 | ≤13.1 | 80 | 80 | 65 | 57 | ≤13.4 | 13.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/ReadableStreamDefaultController/error