code: function(hashKey, dataObject, myContent, myClass, bootstrapSettings) {
        var exportButton = document.createElement("button");
        exportButton.setAttribute("type", "button");
        exportButton.setAttribute(this.storageKey, hashKey);
        exportButton.className = bootstrapSettings.bootstrapClass + bootstrapSettings.bootstrapTheme + myClass;
        exportButton.textContent = myContent;
        return exportButton;
      }
docs: Creates file export buttons
  @param hashKey {String}
  @param dataObject {String}
  @param myContent {String}
  @param myClass {String}
  @param bootstrapSettings {Object}
  @returns Element