Function addClass

scripts/sequence.js:476–499

* Add a class to an element * * @param {Object} elements - The element(s) to add a class to * @param {String} name - The class to add * @api private

(elements, name)

     * @api private
     */
    function addClass(elements, name) {

      var element,
          elementsLength,
          i;

      // If only one element is defined, turn it into a nodelist so it'll pass
      // through the for loop
      if (isArray(elements) === false) {
        elementsLength = 1;
        elements = [elements];
      }

      elementsLength = elements.length;

      for (i = 0; i < elementsLength; i++) {

        element = elements[i];

        if (hasClass(element, name) === false) {
          element.className += (element.className ? ' ': '') + name;
        }
      }
    }

    /**
     * Remove a class from an element