EXT_disjoint_timer_query.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

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
isQueryEXTChrome No support 47Ā ā€” 65
Notes
No support 47Ā ā€” 65
Notes
Notes Removed due to the GLitch exploit.
Edge No support NoFirefox No support 51Ā ā€” 63
Notes
No support 51Ā ā€” 63
Notes
Notes Removed due to the GLitch exploit.
IE ? Opera ? Safari ? WebView Android No support 47Ā ā€” 65
Notes
No support 47Ā ā€” 65
Notes
Notes Removed due to the GLitch exploit.
Chrome Android No support 47Ā ā€” 65
Notes
No support 47Ā ā€” 65
Notes
Notes Removed due to the GLitch exploit.
Firefox Android No support NoOpera Android ? Safari iOS ? Samsung Internet Android Full support 5.0

Legend

Full support Ā 
Full support
No support Ā 
No support
Compatibility unknown Ā 
Compatibility unknown
See implementation notes.
See implementation notes.

See also