javascript - How to keep my drop-down menu properly aligned with my element? -


i created drop-down menu appears when click on text contains class trigger allows open menu, have problem. page responsive, need menu correctly aligned element: http://prntscr.com/7gw5ox

when resize page: http://prntscr.com/7gw5wd

my html code (down-down menu - placed @ bottom of page):

    <div id="help-down-down-menu" class="drop-down-menu">         <ul>             <li>                 <a href="faq.php">frequently asked questions</a>             </li>             <li>                 <a href="faq.php">test</a>             </li>             <li>                 <a href="faq.php">test</a>             </li>             <li>                 <a href="faq.php">test</a>             </li>         </ul>     </div>

footer code text contains drop-down menu trigger:

    <div id="footer">         <div class="wrapper">             <ul>                 <li>                     <span class="drop-down-menu-trigger" id="help">help</span>                 </li>             </ul>             <span id="footer-copyright">                 <a href="./..">coded dylan - ©2015-2016</a>             </span>         </div>     </div>

javascript code:

(function($) {     $(".drop-down-menu-trigger").click(function(e)     {         e.preventdefault();         $(".drop-down-menu").css({"visibility": "visible"});     }); })(jquery);

css:

.drop-down-menu {     background-color: #ffffff;     box-shadow: 0 15px 110px rgba(0, 0, 0, 0.2);     border-radius: 3px;     text-align: center;     position: absolute;     top: 150%;     left: 500px;     visibility: hidden; }  .drop-down-menu:after {     top: 100%;     left: 50%;     margin-left: -15px;     border: 15px solid transparent;     content: " ";     height: 0;     width: 0;     position: absolute;     pointer-events: none;     border-top-color: #ffffff; }  .drop-down-menu {     display: block;     color: #000000;     padding: 10px; }  .drop-down-menu a:hover {     background-color: #f5f5f5; }  .drop-down-menu #faq:before {     content: "\f059";     font-size: 18px;     margin-right: 5px; }

you need modify code this:

html : after footer comments html code must this

<div class="drop-display">     <div id="help-down-down-menu" class="drop-down-menu">         <ul>             <li>                 <a class="modal-window-trigger" name="modal-window-faq" id="faq" href="faq.php">frequently asked questions</a>             </li>             <li>                 <a href="faq.php">test</a>             </li>             <li>                 <a href="faq.php">test</a>             </li>             <li>                 <a href="faq.php">test</a>             </li>         </ul>     </div> </div>  <div id="footer">     <div class="wrapper">         <ul>       <!-- +++++++++++++++++++++++++++++++++ added & updated +++++++++++++++++++++++++++++ -->             <li>                 <span class="drop-down-menu-trigger" id="help" onclick="getpos(this)">help</span>             </li>             <li>                 <span class="drop-down-menu-trigger" id="test" onclick="getpos(this)">help</span>             </li>       <!-- +++++++++++++++++++++++++++++++++ added & updated +++++++++++++++++++++++++++++ -->         </ul>         <span id="footer-copyright">             <a href="./..">coded dylan - ©2015-2016</a>         </span>     </div> </div> <div id="modal-window-faq" class="modal-window">     ...     ...     ... <!-- same code is--> </div> <div id="expose-mask"></div> <script src="javascript/scripts.js"></script> </div> </div> </body> </html>

css

1) added class: drop-display,

2) removed 1 drop-down-menu class repeating, , modified one.

.drop-display {     display: block;     width: 100%;     //text-align: center; remove line     position: absolute; /* changed absolute */     z-index: 999; }  .drop-down-menu // no update here {     display:inline-block;     background-color: #ffffff;     box-shadow: 0 15px 110px rgba(0, 0, 0, 0.2);     border-radius: 3px;     text-align: center;     position: relative; }

jquery

1) added line hide drop-down-menu on page load

2) modified code of visibility fadein() or fadetoggle()

$(".drop-down-menu").hide(); // on first line of scripts.js file function getpos(elems)  {     var x = elems.offsetleft, y = elems.offsettop;     var curid = event.target.id;     var hw = $("#" + curid ).width();     var dw = $(".drop-down-menu").width();     var dh = $(".drop-down-menu").height();     var temp = dw/2;     var tempx = hw/2;     var xpos = x - temp + tempx;     var ypos = y - dh - 20;     $(".drop-display").css("left", xpos + "px");     $(".drop-display").css("top", ypos + "px");      $(".drop-down-menu").fadetoggle(); }

i sure work, if still issue feel free ask.

update :

html - added 1 more ul , onclick event

css - removed text-align:center line , changed position relative absolute.

jquery - total change


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