2013-04-02 42 views
0

我使用twitter引導爲我的導航欄... 當我減少瀏覽器窗口,你可以看到頂部的按鈕.... 當你點擊按鈕,你會看到一個下拉菜單.... 但當我點擊鏈接裏面的下拉菜單....它會採取另一個頁面...但下拉菜單將崩潰.... 如何保持下拉即使它移動到另一個頁面菜單的狀態....想要保持在較小wiondows下拉菜單的狀態

!function ($) { 

    "use strict"; // jshint ;_; 


/* DROPDOWN CLASS DEFINITION 
    * ========================= */ 

    var toggle = '[data-toggle=dropdown]' 
    , Dropdown = function (element) { 
     var $el = $(element).on('click.dropdown.data-api', this.toggle) 
     $('html').on('click.dropdown.data-api', function() { 
      $el.parent().removeClass('open') 
     }) 
     } 

    Dropdown.prototype = { 

    constructor: Dropdown 

    , toggle: function (e) { 
     var $this = $(this) 
     , $parent 
     , isActive 

     if ($this.is('.disabled, :disabled')) return 

     $parent = getParent($this) 

     isActive = $parent.hasClass('open') 

     clearMenus() 

     if (!isActive) { 
     $parent.toggleClass('open') 
     } 

     $this.focus() 

     return false 
    } 

    , keydown: function (e) { 
     var $this 
     , $items 
     , $active 
     , $parent 
     , isActive 
     , index 

     if (!/(38|40|27)/.test(e.keyCode)) return 

     $this = $(this) 

     e.preventDefault() 
     e.stopPropagation() 

     if ($this.is('.disabled, :disabled')) return 

     $parent = getParent($this) 

     isActive = $parent.hasClass('open') 

     if (!isActive || (isActive && e.keyCode == 27)) { 
     if (e.which == 27) $parent.find(toggle).focus() 
     return $this.click() 
     } 

     $items = $('[role=menu] li:not(.divider):visible a', $parent) 

     if (!$items.length) return 

     index = $items.index($items.filter(':focus')) 

     if (e.keyCode == 38 && index > 0) index--          // up 
     if (e.keyCode == 40 && index < $items.length - 1) index++      // down 
     if (!~index) index = 0 

     $items 
     .eq(index) 
     .focus() 
    } 

    } 

    function clearMenus() { 
    $(toggle).each(function() { 
     getParent($(this)).removeClass('open') 
    }) 
    } 

    function getParent($this) { 
    var selector = $this.attr('data-target') 
     , $parent 

    if (!selector) { 
     selector = $this.attr('href') 
     selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7 
    } 

    $parent = selector && $(selector) 

    if (!$parent || !$parent.length) $parent = $this.parent() 

    return $parent 
    } 


    /* DROPDOWN PLUGIN DEFINITION 
    * ========================== */ 

    var old = $.fn.dropdown 

    $.fn.dropdown = function (option) { 
    return this.each(function() { 
     var $this = $(this) 
     , data = $this.data('dropdown') 
     if (!data) $this.data('dropdown', (data = new Dropdown(this))) 
     if (typeof option == 'string') data[option].call($this) 
    }) 
    } 

    $.fn.dropdown.Constructor = Dropdown 


/* DROPDOWN NO CONFLICT 
    * ==================== */ 

    $.fn.dropdown.noConflict = function() { 
    $.fn.dropdown = old 
    return this 
    } 


    /* APPLY TO STANDARD DROPDOWN ELEMENTS 
    * =================================== */ 

    $(document) 
    .on('click.dropdown.data-api', clearMenus) 
    .on('click.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() }) 
    .on('click.dropdown-menu', function (e) { e.stopPropagation() }) 
    .on('click.dropdown.data-api' , toggle, Dropdown.prototype.toggle) 
    .on('keydown.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown) 

}(window.jQuery); 

回答

1

的頁面重新加載到一個新的頁面,新的內容(包括導航欄)等

+0

感謝您的回覆......我不明白 – user2136828

+0

要使導航保持原狀的唯一方法是如果要加載的新內容位於同一頁面上,而不是新頁面中。 – Vector

+0

你能以技術的方式告訴原因嗎 – user2136828

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