The EXT_disjoint_timer_query.isQueryEXT() method of the WebGL API returns true if the passed object is a WebGLTimerQueryEXT object.
Syntax
GLBoolean ext.isQueryEXT(query);
Parameters
query- A
WebGLTimerQueryEXTobject to test.
Return value
A GLboolean indicating whether the given object is a WebGLTimerQueryEXT 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 | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | ? | 41 (41) [1] | ? | ? | ? |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | ? | ? | ? | ? | ? | ? |
[1] Toggling the webgl.enable-draft-extensions preference in about:config is required.