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
WebGLQueryobject 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
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Firefox | Edge | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic Support | 47 | 51.0 | (No) | ? | ? | ? |
| Feature | Android | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
|---|---|---|---|---|---|---|---|
| Basic Support | ? | 47 | (No) | (No) | ? | ? | ? |