This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.
Note: This feature is available in Web Workers.
The WebGL2RenderingContext.isQuery() method of the WebGL 2 API returns true if the passed object is a valid WebGLQuery object.
isQuery(query)
queryA WebGLQuery object to test.
A GLboolean indicating whether the given object is a valid WebGLQuery object (true) or not (false).
gl must be a WebGL2RenderingContext. WebGLQuery objects are not available in WebGL 1.
const query = gl.createQuery(); // … gl.isQuery(query);
| Specification |
|---|
| WebGL 2.0 Specification> # 3.7.12> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
isQuery |
56 | 79 | 51 | 43 | 15 | 58 | 51 | 43 | 15 | 7.0 | 58 | 15 |
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https://developer.mozilla.org/en-US/docs/Web/API/WebGL2RenderingContext/isQuery