Note: This feature is available in Web Workers.
The WebGLRenderingContext.isBuffer() method of the WebGL API returns true if the passed WebGLBuffer is valid and false otherwise.
isBuffer(buffer)bufferA WebGLBuffer to check.
A GLboolean indicating whether or not the buffer is valid.
const canvas = document.getElementById("canvas");
const gl = canvas.getContext("webgl");
const buffer = gl.createBuffer();
gl.isBuffer(buffer);