WebGL2RenderingContext.createVertexArray()
  The WebGL2RenderingContext.createVertexArray() method of
  the WebGL 2 API creates and initializes a
  WebGLVertexArrayObject object that represents a vertex array object (VAO)
  pointing to vertex array data and which provides names for different sets of vertex
  data.
Syntax
WebGLVertexArrayObject gl.createVertexArray();
Parameters
None.
Return value
  A WebGLVertexArrayObject representing a vertex array object (VAO) which
  points to vertex array data.
Examples
var vao = gl.createVertexArray();
gl.bindVertexArray(vao);
// ...
// calls to bindBuffer or vertexAttribPointer
// which will be "recorded" in the VAO
// ...
Specifications
| Specification | 
|---|
| WebGL 2.0 Specification  # 3.7.17  | 
Browser compatibility
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