lvisei

const canvas = document.createElement('canvas');
const webgl = canvas.getContext('experimental-webgl');
const info = webgl.getExtension('WEBGL_debug_renderer_info');
const msg = webgl.getParameter(info.UNMASKED_RENDERER_WEBGL);
console.log(msg)

lvisei

// ES5
function utf8Decode(str_data) {
  let tmp_arr = [],
    i = 0,
    ac = 0,
    c1 = 0,
    c2 = 0,
    c3 = 0;
  str_data += "";
  while (i < str_data.length) {