Get GPU info in Javascript

<!-- Canvas is needed to get GPU info -->
<canvas id="glcanvas" width="0" height="0"> </canvas>

function getGPU() {
  let canvas = document.getElementById("glcanvas");
  let gl = canvas.getContext("experimental-webgl");

  let info = gl.getExtension("WEBGL_debug_renderer_info");
  if (info != null)
    return gl.getParameter(info.UNMASKED_RENDERER_WEBGL); //dbgRenderInfo.UNMASKED_VENDOR_WEBGL

  return "Unknown";
}