text: /* ========================================================================
  * Bootstrap: scrollspy.js v3.3.2
  * http://getbootstrap.com/javascript/#scrollspy
  * ========================================================================
  * Copyright 2011-2015 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
  
  /**
   * Custom by iissnan
   *
   * - Add a `clear.bs.scrollspy` event.
   * - Esacpe targets selector.
   */
  
  
  +function ($) {
    'use strict';
  
    // SCROLLSPY CLASS DEFINITION
    // ==========================
  
    function ScrollSpy(element, options) {
      this.$body          = $(document.body)
      this.$scrollElement = $(element).is(document.body) ? $(window) : $(element)
      this.options        = $.extend({}, ScrollSpy.DEFAULTS, options)
      this.selector       = (this.options.target || '') + ' .nav li > a'
      this.offsets        = []
      this.targets        = []
      this.activeTarget   = null
      this.scrollHeight   = 0
  
      this.$scrollElement.on('scroll.bs.scrollspy', $.proxy(this.process, this))
      this.refresh()
      this.process()
    }
  
    ScrollSpy.VERSION  = '3.3.2'
  
    ScrollSpy.DEFAULTS = {
      offset: 10
    }
  
    ScrollSpy.prototype.getScrollHeight = function () {
      return this.$scrollElement[0].scrollHeight || Math.max(this.$body[0].scrollHeight, document.documentElement.scrollHeight)
    }
  
    ScrollSpy.prototype.refresh = function () {
      var that          = this
      var offsetMethod  = 'offset'
      var offsetBase    = 0
  
      this.offsets      = []
      this.targets      = []
      this.scrollHeight = this.getScrollHeight()
  
      if (!$.isWindow(this.$scrollElement[0])) {
        offsetMethod = 'position'
        offsetBase   = this.$scrollElement.scrollTop()
      }
  
      this.$body
        .find(this.selector)
        .map(function () {
          var $el   = $(this)
          var href  = $el.data('target') || $el.attr('href')
          var $href = /^#./.test(href) && $(escapeSelector(href)) // Need to escape selector.
  
          return ($href
            && $href.length
            && $href.is(':visible')
            && [[$href[offsetMethod]().top + offsetBase, href]]) || null
        })
        .sort(function (a, b) { return a[0] - b[0] })
        .each(function () {
          that.offsets.push(this[0])
          that.targets.push(this[1])
        })
  
  
    }
  
    ScrollSpy.prototype.process = function () {
      var scrollTop    = this.$scrollElement.scrollTop() + this.options.offset
      var scrollHeight = this.getScrollHeight()
      var maxScroll    = this.options.offset + scrollHeight - this.$scrollElement.height()
      var offsets      = this.offsets
      var targets      = this.targets
      var activeTarget = this.activeTarget
      var i
  
      if (this.scrollHeight != scrollHeight) {
        this.refresh()
      }
  
      if (scrollTop >= maxScroll) {
        return activeTarget != (i = targets[targets.length - 1]) && this.activate(i)
      }
  
      if (activeTarget && scrollTop < offsets[0]) {
        $(this.selector).trigger('clear.bs.scrollspy')  // Add a custom event.
        this.activeTarget = null
        return this.clear()
      }
  
      for (i = offsets.length; i--;) {
        activeTarget != targets[i]
          && scrollTop >= offsets[i]
          && (!offsets[i + 1] || scrollTop <= offsets[i + 1])
          && this.activate(targets[i])
      }
    }
  
    ScrollSpy.prototype.activate = function (target) {
      this.activeTarget = target
  
      this.clear()
  
      var selector = this.selector +
        '[data-target="' + target + '"],' +
        this.selector + '[href="' + target + '"]'
  
      var active = $(selector)
        .parents('li')
        .addClass('active')
  
      if (active.parent('.dropdown-menu').length) {
        active = active
          .closest('li.dropdown')
          .addClass('active')
      }
  
      active.trigger('activate.bs.scrollspy')
    }
  
    ScrollSpy.prototype.clear = function () {
      $(this.selector)
        .parentsUntil(this.options.target, '.active')
        .removeClass('active')
    }
  
  
    // SCROLLSPY PLUGIN DEFINITION
    // ===========================
  
    function Plugin(option) {
      return this.each(function () {
        var $this   = $(this)
        var data    = $this.data('bs.scrollspy')
        var options = typeof option == 'object' && option
  
        if (!data) $this.data('bs.scrollspy', (data = new ScrollSpy(this, options)))
        if (typeof option == 'string') data[option]()
      })
    }
  
    var old = $.fn.scrollspy
  
    $.fn.scrollspy             = Plugin
    $.fn.scrollspy.Constructor = ScrollSpy
  
  
    // SCROLLSPY NO CONFLICT
    // =====================
  
    $.fn.scrollspy.noConflict = function () {
      $.fn.scrollspy = old
      return this
    }
  
  
    // SCROLLSPY DATA-API
    // ==================
  
    $(window).on('load.bs.scrollspy.data-api', function () {
      $('[data-spy="scroll"]').each(function () {
        var $spy = $(this)
        Plugin.call($spy, $spy.data())
      })
    })
  
  }(jQuery);
  
  /**
   * Escape meta symbols in jQuery selectors.
   *
   * @param selector
   * @returns {string|void|XML|*}
   */
  function escapeSelector (selector) {
      return selector.replace(/[!"$%&'()*+,.\/:;<=>?@[\\\]^`{|}~]/g, '\\$&');
  }
  