Created
June 9, 2012 18:37
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Image Scoll Demo
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<!DOCTYPE HTML> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<title>imageScroll</title> | |
</head> | |
<body> | |
</body> | |
<script type="text/javascript"> | |
function $(e) { return document.getElementById(e); } | |
function $t(e) { return document.getElementsByTagName(e); } | |
var slider = { | |
startTimer: function(){ | |
timer= setInterval(slider.scrollLeft, 50); | |
}, | |
stopTimer: function(){ | |
clearInterval(timer); | |
}, | |
paint: function() { | |
with(document) { body.style.textAlign = 'center'; } | |
var t = document.createElement('div'); | |
t.id = 'outerDiv'; | |
document.body.insertBefore(t,$t('script')[0]); | |
var box = $('outerDiv'); | |
box.style.width = '300px'; | |
box.style.height = '300px'; | |
box.style.margin = '0 auto'; | |
box.style.overflow = 'hidden'; | |
box.style.position = 'relative'; | |
var imgList = []; | |
for (var i=0; i<3; i++) | |
{ | |
t = document.createElement('img'); | |
t.id = 'image'+i; | |
t.src = 'img/' + (i+1) + '.jpg'; | |
t.style.width = '300px'; | |
t.style.height = '300px'; | |
t.style.cssFloat = 'left'; | |
t.style.top = 0; | |
imgList.push(t); | |
} | |
var inner = document.createElement('div'); | |
inner.id = 'innerDiv'; | |
inner.style.position = 'absolute'; | |
inner.style.left = '0'; | |
inner.style.width = '900px'; | |
for (var i=0; i<imgList.length; i++) | |
{ | |
inner.appendChild(imgList[i]); | |
} | |
$('outerDiv').appendChild(inner); | |
return this; //注意这里 | |
}, | |
scrollLeft: function(){ | |
var t = $('innerDiv').style.left; | |
$('innerDiv').style.left = parseInt(t) - 5 + 'px'; | |
if (Math.abs(parseInt(t))>300){ | |
slider.stopTimer(); | |
var r = $t('img')[0].parentNode.removeChild($t('img')[0]); | |
//$('innerDiv').style.left = '-5px';//用来修正边界的跳跃 | |
$('innerDiv').appendChild(r); | |
setTimeout(slider.startTimer, 500); | |
} | |
}, | |
} | |
slider.paint().startTimer(); | |
</script> | |
</html> |
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