html - Jquery - Never ending slider, speed issue -


i've made never ending loop headlines sliding 1 side another. , when headline reach end put last in queue.

the problem headlines of different size in width. ends slider have different animation speeds. maybe i'm wrong setup code:

html:

<header>   <div id="spotlight">     <span class="active">foo</span>     <span>baaaar</span>     <span>baaz</span>     <span>baz</span>     <span>qux</span>     <span>quux</span>     <span>corge</span>     <span>grault</span>     <span>garply</span>     <span>waldo</span>   </div> </header>

css:

body {     background: #000; }  header {     border-bottom: 8px solid white;     height: 300px;     margin-bottom: 4%;     overflow: hidden;     position: relative; } header #spotlight {     left: 0;     position: absolute;     width: 1100%; } header #spotlight span {     color: white;     display: block;     float: left;     font-size: 6em;     font-weight: 900;     margin-top: 1%;     text-transform: uppercase; } header #spotlight span {     margin-left: 30px; } header #spotlight span:not(:last-child):after {     content: "•";     margin-left: 30px; }

js:

$(window).load(function(){         animate_spotlight(); });  function animate_spotlight(){     var $current_spot = $('#spotlight span.active')     var pos = $current_spot.next().position().left;     $('#spotlight').stop().animate({         left : '-' + pos + 'px'     }, {easing : 'linear', duration : 3000, complete : function(){         $current_spot.next().addclass('active'); // fetch new object         $current_spot.appendto('#spotlight'); // put old object last in #spotlight elem.         $('#spotlight').css({left : 0 + 'px'}) // reset position         $current_spot.removeclass('active'); // removes active class of old elem.         animate_spotlight(); // loop     }}); }

js fiddle http://jsfiddle.net/7bmaf/2/

i fixed adding variable , used source calculating speed.

var divide_to_get_time = (pos / 10000) * 50000;

and put variable in duration.

final code:

function animate_spotlight(){     var $current_spot = $('#spotlight span.active')     var pos = $current_spot.next().position().left;      var divide_to_get_time = (pos / 10000) * 50000;      $('#spotlight').stop().animate({         left : '-' + pos + 'px'     }, {easing : 'linear', duration : divide_to_get_time, complete : function(){         $current_spot.next().addclass('active');         $current_spot.appendto('#spotlight');         $('#spotlight').css({left : 0 + 'px'})         $current_spot.removeclass('active');         animate_spotlight();     }}); }

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