piskel/js/utils/CanvasUtils.js

(function () {
  var ns = $.namespace("pskl");

  ns.CanvasUtils = {
    createCanvas : function (width, height, classList) {
      var canvas = document.createElement("canvas");
      canvas.setAttribute("width", width);
      canvas.setAttribute("height", height);

      if (typeof classList == "string") {
        classList = [classList];
      }
      if (Array.isArray(classList)) {
        for (var i = 0 ; i < classList.length ; i++) {
          canvas.classList.add(classList[i]);
        }
      }
      
      return canvas;
    }
  };
})();