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ext.isQueryEXT

The EXT_disjoint_timer_query.isQueryEXT() method of the WebGL API returns true if the passed object is a WebGLQuery object.

Syntax

GLBoolean ext.isQueryEXT(query);

Parameters

query
A WebGLQuery object to test.

Return value

A GLboolean indicating whether the given object is a WebGLQuery object (true) or not (false).

Examples

var ext = gl.getExtension('EXT_disjoint_timer_query');
var query = ext.createQueryEXT();

// ...

ext.isQueryEXT(query);

Specifications

Specification Status Comment
EXT_disjoint_timer_query
The definition of 'EXT_disjoint_timer_query' in that specification.
Working Draft Initial definition.

Browser compatibility

Feature Chrome Edge Firefox Internet Explorer Opera Safari Servo
Basic Support 47 ? 51.0 ? ? ? ?
Feature Android Chrome for Android Edge Mobile Firefox for Android IE Mobile Opera Mobile Safari Mobile
Basic Support ? 47 ? No support ? ? ?

See also

© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/EXT_disjoint_timer_query/isQueryEXT