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

See also

• WebGLRenderingContext.getExtension()
• WebGLQuery
• EXT_disjoint_timer_query