Enchufadoo

/** Too slowwww **/
const setIconColor = function(){
  let img = new Image();
  img.src = "icons/binoculars_white.png";
  img.onload = function() {
      var canvas = document.createElement("canvas");
      var ctx = canvas.getContext("2d");      
      ctx.drawImage(img, 0, 0);
      ctx.globalCompositeOperation = "source-in";
      ctx.fillStyle = "#09f"; //any color