OES_vertex_array_object: isVertexArrayOES() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.

See full compatibility

The OES_vertex_array_object.isVertexArrayOES() method of the WebGL API returns true if the passed object is a WebGLVertexArrayObject object.

Syntax

isVertexArrayOES(arrayObject)

Parameters

arrayObject: A WebGLVertexArrayObject (VAO) object to test.

Return value

A GLboolean indicating whether the given object is a WebGLVertexArrayObject object (true) or not (false).

Examples

const ext = gl.getExtension("OES_vertex_array_object");
const vao = ext.createVertexArrayOES();
ext.bindVertexArrayOES(vao);

// …

ext.isVertexArrayOES(vao);

Specifications

Specification
WebGL OES_vertex_array_object Khronos Ratified Extension Specification

Browser compatibility

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`isVertexArrayOES`	Chrome – Full support Chrome 24 (Release date: 2013-01-10) footnote Full support	Edge – Full support Edge 17 (Release date: 2018-04-30) footnote Full support	Firefox – Full support Firefox 25 (Release date: 2013-10-29) footnote Full support	Opera – Full support Opera 15 (Release date: 2013-07-02) footnote Full support	Safari – Full support Safari 8 (Release date: 2014-10-16) footnote Full support	Chrome Android – Full support Chrome Android 25 (Release date: 2013-02-27) footnote Full support	Firefox for Android – Full support Firefox for Android 25 (Release date: 2013-10-29) footnote Full support	Opera Android – Full support Opera Android 14 (Release date: 2013-05-21) footnote Full support	Safari on iOS – Full support Safari on iOS 8 (Release date: 2014-09-17) footnote Full support	Samsung Internet – Full support Samsung Internet 1.5 (Release date: 2013-09-25) footnote Full support	WebView Android – Full support WebView Android 4.4 (Release date: 2013-12-09) footnote Full support	WebView on iOS – Full support WebView on iOS 8 (Release date: 2014-09-17) footnote Full support

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Full support: Full support