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POchrome is not smooth when for animating a div's left property using jquery animate() method
 

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  1. POchrome is not smooth when for animating a div's left property using jquery animate() method
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    <p>I am trying to create a simple image slider but I am having some trouble doing it here is my code so far :</p> <pre><code>&lt;div id="frame"&gt; &lt;div id="slider"&gt; &lt;div id="imageHolder"&gt; &lt;img src="PNGs/Desert.jpg" alt="image" /&gt; &lt;img src="PNGs/Lighthouse.jpg" alt="image" /&gt; &lt;img src="PNGs/Penguins.jpg" alt="image" /&gt; &lt;img src="PNGs/Hydrangeas.jpg" alt="image" /&gt; &lt;img src="PNGs/Koala.jpg" alt="image" /&gt; &lt;/div&gt; &lt;div id="counter"&gt;&lt;/div&gt; &lt;/div&gt; &lt;div id="button1" style="z-index:100; position:absolute; right:-25px; top:175px; width:50px; height:35px; border-radius:200px; background-color:black; color:white; font-weight:bold; text-align:center; vertical-align:central; padding-top:15px;"&gt;right&lt;/div&gt; &lt;div id="button2" style="z-index:100; position:absolute; left:-25px; top:175px; width:50px; height:35px; border-radius:200px; background-color:black; color:white; font-weight:bold; text-align:center; vertical-align:central; padding-top:15px;"&gt;left&lt;/div&gt; &lt;/div&gt; </code></pre> <p><strong>css:</strong></p> <pre><code>#frame { margin:10px auto 0; position:relative; width:1000px; height:400px; } #slider { position:relative; width:1000px; height:400px; background-color:red; overflow:hidden; } #imageHolder { width: 0; height:400px; position:relative; } #imageHolder img { float:left; width:1000px; height:400px; } #counter { display:inline-block; z-index:100; position:absolute; left:10px; bottom: 0; } </code></pre> <p><strong>jQuery:</strong></p> <pre><code>$(window).load(function () { var count = $('#imageHolder img').length; var itemIndex = 1; function MoveSlider(container, count, isForwards) { var containerName = '#' + container.toString(); if (isForwards) { itemIndex++; if (itemIndex &lt; count + 1) $(containerName).animate({ left: ((itemIndex - 1) * -100).toString() + "%" }, 2000, 'easeOutBounce'); else { $(containerName).animate({ left: '0'}, 2000, 'easeOutBounce'); itemIndex = 1; } } else { itemIndex--; if (itemIndex &gt; 0) $(containerName).animate({ left: ((itemIndex - 1) * -100).toString() + "%" }, 2000, 'easeOutBounce'); else { $(containerName).animate({ left: (-(count - 1) * 100).toString() + '%'}, 2000, 'easeOutBounce'); itemIndex = count; } } } var counterHtml = ""; for (var i = 0; i &lt; count; i++) { counterHtml += "&lt;div class=\"index\" style=\"text-align:center; vertical-align:central; color:white; display:inline-block; background-color:black;width:20px; height:20px; border-radius:200px;\"&gt;" + (i + 1) + "&lt;/div&gt;"; } $('#counter').html(counterHtml); $('#imageHolder').css('width', (count * 1000).toString() + 'px'); var timer = setInterval(function () { MoveSlider('imageHolder', count, true); }, 5000); $('#frame').mouseover(function () { clearInterval(timer); }); $('#frame').mouseleave(function () { timer = setInterval(function () { MoveSlider('imageHolder', count, true); }, 5000); }); $('.index').click(function () { itemIndex = $('.index').index(this) + 1; $('#imageHolder').animate({ left: ((itemIndex - 1) * -100).toString() + '%' }, 2000, 'easeOutBounce'); }); $('#button1').click(function () { MoveSlider('imageHolder', count, true); }); $('#button2').click(function () { MoveSlider('imageHolder', count, false); }); }); </code></pre> <p>the animations run smoothly on firefox and IE10, but there is a significant lag for the first 2 or 3 images,and I have no idea what to do with it Any suggestions about my problem? (ps:any suggestion on my javascript code is also appreciated if you think I can make it better...) Thanks in advance</p>
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    1. PTQuestion
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    1. USroostaamir
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    1. COYou could try using css3 transitions for modern browser as they tend to be smoother, and then rely on the jquery animate as a fallback option
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      1. POchrome is not smooth when for animating a div's left property using jquery animate() method
      1. USTimPalmer
    2. COI had the exact same problem with css transitions.I used standard css3 transitions before I used the jquery.animate() method.but the lag i am talking about was still there!!!\
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      1. POchrome is not smooth when for animating a div's left property using jquery animate() method
      1. USroostaamir
    3. COCould just be the size of your images then. Try reducing them and making them optimised for web, and then see if that helps. I noticed your div is 1000px wide, so if your images are too, and very high resolution, then this will put a strain on webkits resources
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      1. POchrome is not smooth when for animating a div's left property using jquery animate() method
      1. USTimPalmer
 

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