The OES_vertex_array_object.isVertexArrayOES() method of the WebGL API returns true if the passed object is a WebGLVertexArrayObject object.
GLBoolean ext.isVertexArrayOES(arrayObject);
WebGLVertexArrayObject (VAO) object to test.A GLboolean indicating whether the given object is a WebGLVertexArrayObject object (true) or not (false).
var ext = gl.getExtension('OES_vertex_array_object');
var vao = ext.createVertexArrayOES();
ext.bindVertexArrayOES(vao);
// ...
ext.isVertexArrayOES(vao);
| Specification | Status | Comment |
|---|---|---|
| OES_vertex_array_object The definition of 'OES_vertex_array_object' in that specification. | Recommendation | Initial definition. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | ? | 17 | 25 | ? | ? | ? |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | ? | ? | 17 | ? | ? | ? | ? |
WebGLRenderingContext.getExtension()WebGLRenderingContext.vertexAttribPointer()WebGL2RenderingContext.isVertexArray()
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https://developer.mozilla.org/en-US/docs/Web/API/OES_vertex_array_object/isVertexArrayOES