web api instance method
WebGL2RenderingContext: isQuery() method
Available in workers
The WebGL2RenderingContext.isQuery() method of the WebGL 2 API returns true if the
passed object is a valid WebGLQuery object.
Syntax
isQuery(query)
Parameters
query- : A
WebGLQueryobject to test.
- : A
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.
const query = gl.createQuery();
// …
gl.isQuery(query);
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.