The hasReading read-only property of the Sensor interface returns a Boolean indicating whether the sensor has a reading.
var boolean = sensorInstance.hasReading
Because Sensor is a base class, hasReading may only be read from one of its derived classes.
A Boolean.
| Specification | Status | Comment |
|---|---|---|
| Generic Sensor API The definition of 'hasReading' in that specification. | Candidate Recommendation | Initial definition. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 69 | ? | ? | ? | 56 | ? |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | 69 | 69 | ? | ? | 56 | ? | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/Sensor/hasReading