EXT_disjoint_timer_query: isQueryEXT() method

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

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

Syntax

js
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

js
const ext = gl.getExtension("EXT_disjoint_timer_query");
const query = ext.createQueryEXT();

// …

ext.isQueryEXT(query);

Specifications

Specification
WebGL EXT_disjoint_timer_query Extension Specification

Browser compatibility

desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
isQueryEXT

See also