DOMException - Web APIs
notreadableerror the input/output read operation failed (no legacy code value and constant name).
...adds the notreadableerror, unknownerror, constrainterror, dataerror, transactioninactiveerror, readonlyerror, versionerror, operationerror, and notallowederror values.

MediaDevices.getUserMedia() - Web APIs
possible errors are: aborterror although the user and operating system both granted access to the hardware device, and no hardware issues occurred that would cause a notreadableerror, some problem occurred which prevented the device from being used.
... notreadableerror although the user granted permission to use the matching devices, a hardware error occurred at the operating system, browser, or web page level which prevented access to the device.

AbsoluteOrientationSensor - Web APIs
model.quaternion.fromarray(sensor.quaternion).inverse(); }); sensor.addeventlistener('error', error => { if (event.error.name == 'notreadableerror') { console.log("sensor is not available."); } }); sensor.start(); permissions example using orientation sensors requires requesting permissions for multiple device sensors.

FileReaderSync.readAsArrayBuffer() - Web APIs
notreadableerror is raised when the resource cannot be read due to a permission problem, like a concurrent lock.

FileReaderSync.readAsBinaryString() - Web APIs
notreadableerror is raised when the resource cannot be read due to a permission problem, like a concurrent lock.

FileReaderSync.readAsDataURL() - Web APIs
notreadableerror is raised when the resource cannot be read due to a permission problem, like a concurrent lock.

FileReaderSync.readAsText() - Web APIs
notreadableerror is raised when the resource cannot be read due to a permission problem, like a concurrent lock.

MediaDevices.getDisplayMedia() - Web APIs
notreadableerror the user selected a screen, window, tab, or other source of screen data, but a hardware or operating system level error or lockout occurred, preventing the sharing of the selected source.

NDEFWriter.write() - Web APIs
notreadableerror the ua is not allowed to access underlying nfc adapter (e.g., due to user preference).

OrientationSensor - Web APIs
model.quaternion.fromarray(sensor.quaternion).inverse(); }); sensor.addeventlistener('error', error => { if (event.error.name == 'notreadableerror') { console.log("sensor is not available."); } }); sensor.start(); permissions example using orientation sensors requires requsting permissions for multiple device sensors.

RTCPeerConnection.createAnswer() - Web APIs
exceptions notreadableerror the identity provider wasn't able to provide an identity assertion.

RTCPeerConnection.createOffer() - Web APIs
notreadableerror no certificate or set of certificates was provided for securing the connection, and createoffer() was unable to create a new one.

RelativeOrientationSensor - Web APIs
model.quaternion.fromarray(sensor.quaternion).inverse(); }); sensor.addeventlistener('error', error => { if (event.error.name == 'notreadableerror') { console.log("sensor is not available."); } }); sensor.start(); permissions example using orientation sensors requires requsting permissions for multiple device sensors.

Sensor APIs - Web APIs
} else if (event.error.name === 'notreadableerror' ) { console.log('cannot connect to the sensor.'); } }); accelerometer.addeventlistener('reading', () => reloadonshake(accelerometer)); accelerometer.start(); } catch (error) { // handle construction errors.