---
title: isVertexArrayOES
framework: webkitjs
role: symbol
role_heading: Instance Method
path: webkitjs/oesvertexarrayobject/1630378-isvertexarrayoes
---

# isVertexArrayOES

## Declaration

```data
boolean isVertexArrayOES(
    optional WebGLVertexArrayObjectOES? arrayObject
);
```