WebGL2RenderingContext: isVertexArray() method
        
        
          
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                  Widely available
                
                
              
        
        
        
          
                
              
                
              
                
              
        
        
      
      This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.
Note: This feature is available in Web Workers.
The WebGL2RenderingContext.isVertexArray() method of the
WebGL API returns true if the
passed object is a valid WebGLVertexArrayObject object.
Syntax
js
isVertexArray(vertexArray)
Parameters
vertexArray- 
A
WebGLVertexArrayObject(VAO) object to test. 
Return value
A GLboolean indicating whether the given object is a valid
WebGLVertexArrayObject object (true) or not
(false).
Examples
js
const vao = gl.createVertexArray();
gl.bindVertexArray(vao);
// …
gl.isVertexArray(vao);
Specifications
| Specification | 
|---|
| WebGL 2.0 Specification> # 3.7.17>  | 
            
Browser compatibility
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