WebGL2RenderingContext: isQuery() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.
The WebGL2RenderingContext.isQuery() method of the WebGL 2 API returns true if the
passed object is a valid WebGLQuery object.
Syntax
js
isQuery(query)
Parameters
query-
A
WebGLQueryobject to test.
Return value
A GLboolean indicating whether the given object is a valid
WebGLQuery object (true) or not (false).
Examples
gl must be a WebGL2RenderingContext.
WebGLQuery objects are not available in WebGL 1.
js
const query = gl.createQuery();
// …
gl.isQuery(query);
Specifications
| Specification |
|---|
| WebGL 2.0 Specification # 3.7.12 |
Browser compatibility
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