Apply Text Stroke Made into a function by className.

applyTextStroke.js

var applyTextStroke = function (className, color, width)
{
  var r = width;
  var n = Math.ceil(2*Math.PI*r); /* number of shadows */
  var str = '';
  for(var i = 0;i<n;i++) /* append shadows in n evenly distributed directions */
  {
    var theta = 2*Math.PI*i/n;
    str += (r*Math.cos(theta))+"px "+(r*Math.sin(theta))+"px 0 "+color+(i==n-1?"":",");
  }
  var arr = document.getElementsByClassName(className);
  for (var dom of arr)
  {
    dom.style.textShadow = str;
  }
};
applyTextStroke("frame-stroke", "#333", 3);