Customized stats.js bookmarklet

bookmarklet.js

javascript:(function() {
  
  var script = document.createElement('script');
  
  script.onload = function() {
    
    /* Remove existing stats if it exists */
    var existingStatsElement = document.getElementById('stats');
    if (existingStatsElement) {
      existingStatsElement.parentNode.removeChild(existingStatsElement);
    }
    
    var stats = new Stats();
    stats.setMode(1); /* Default to frame time mode */
    stats.domElement.style.cssText='position:fixed;left:0;top:0;z-index:10000';
    document.body.appendChild(stats.domElement);
  
    requestAnimationFrame(function loop(){ 
      stats.update();
      requestAnimationFrame(loop);
    });
    
  };
  script.src='//rawgit.com/mrdoob/stats.js/master/build/stats.min.js';
  document.head.appendChild(script);
  
})();