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.

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

Syntax

js
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

js
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

desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
isVertexArrayOES

See also