WebGLRenderingContext.isBuffer()
  The WebGLRenderingContext.isBuffer() method of the WebGL API returns true if the
  passed WebGLBuffer is valid and false otherwise.
Syntax
GLboolean gl.isBuffer(buffer);
Parameters
- buffer
 - 
    
A
WebGLBufferto check. 
Return value
A GLboolean indicating whether or not the buffer is valid.
Examples
Creating a buffer
var canvas = document.getElementById('canvas');
var gl = canvas.getContext('webgl');
var buffer = gl.createBuffer();
gl.isBuffer(buffer);
Specifications
| Specification | 
|---|
| WebGL Specification  # 5.14.5  | 
Browser compatibility
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