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WebGL2RenderingContext: isQuery() method - Web APIs

WebGL2RenderingContext: isQuery() method

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The WebGL2RenderingContext.isQuery() method of the WebGL 2 API returns true if the passed object is a valid WebGLQuery object.

Syntax Parameters
query

A WebGLQuery object 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.

const query = gl.createQuery();

// …

gl.isQuery(query);
Specifications Browser compatibility See also

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