Created
June 17, 2013 09:54
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Really simple jQuery-Slider. Just the basic structure.
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<!doctype html> | |
<html> | |
<head> | |
<meta charset=utf-8> | |
<title>The Obligatory Slider</title> | |
<style> | |
body { | |
width: 600px; | |
margin: 100px auto 0; | |
} | |
* { margin: 0; padding: 0; } | |
</style> | |
<link rel="stylesheet" href="slider.css"> | |
</head> | |
<body> | |
<div class="slider"> | |
<ul> | |
<li><img src="img/img1.gif" alt="image"></li> | |
<li><img src="img/img2.gif" alt="image"></li> | |
<li><img src="img/img3.gif" alt="image"></li> | |
<li><img src="img/img4.gif" alt="image"></li> | |
<li><img src="img/img1.gif" alt="image"></li> | |
<li><img src="img/img2.gif" alt="image"></li> | |
<li><img src="img/img3.gif" alt="image"></li> | |
<li><img src="img/img4.gif" alt="image"></li> | |
</ul> | |
</div> | |
<div id="slider-nav"> | |
<button data-dir="prev">Previous</button> | |
<button data-dir="next">Next</button> | |
</div> | |
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> | |
<script src="slider.js"></script> | |
</body> | |
</html> |
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#slider-nav { | |
display: none; | |
margin-top: 1em; | |
} | |
#slider-nav button { | |
padding: 1em; | |
margin-right: 1em; | |
border-radius: 10px; | |
cursor: pointer; | |
} | |
.slider { | |
width: inherit; | |
height: 300px; | |
overflow: scroll; | |
} | |
.slider ul { | |
width: 10000px; | |
list-style: none; | |
} | |
.slider li { | |
float: left; | |
} |
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// the procedural method | |
(function($) { | |
var sliderUL = $('div.slider').css('overflow', 'hidden').children('ul'), | |
imgs = sliderUL.find('img'), | |
imgWidth = imgs[0].width, // 600 | |
imgsLen = imgs.length, // 4 | |
current = 1, | |
totalImgsWidth = imgsLen * imgWidth; // 2400 | |
$('#slider-nav').show().find('button').on('click', function() { | |
var direction = $(this).data('dir'), | |
loc = imgWidth; // 600 | |
// update current value | |
( direction === 'next' ) ? ++current : --current; | |
// if first image | |
if ( current === 0 ) { | |
current = imgsLen; | |
loc = totalImgsWidth - imgWidth; // 2400 - 600 = 1800 | |
direction = 'next'; | |
} else if ( current - 1 === imgsLen ) { // Are we at end? Should we reset? | |
current = 1; | |
loc = 0; | |
} | |
transition(sliderUL, loc, direction); | |
}); | |
function transition( container, loc, direction ) { | |
var unit; // -= += | |
if ( direction && loc !== 0 ) { | |
unit = ( direction === 'next' ) ? '-=' : '+='; | |
} | |
container.animate({ | |
'margin-left': unit ? (unit + loc) : loc | |
}); | |
} | |
})(jQuery); |
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