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Rookie here .. I'm trying to make my static background become a carousel.. my current html looks something like this:
<body>
<div class="pageContent">
</div>
</body>
and my CSS:
body {
background: url('http://placehold.it/1600x1200') no-repeat center center fixed;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
}
So I'd like to make the background now cycle images and stay responsive .. Can this be done easily using CSS3? or should I maybe wrap the contents of my html in a carousel with bootstrap? I wasn't able to find a good example of how to do this. Thanks in advance.
392
jsBin demo
I would do it using an absolute positioned DIV overlaying the body.
Fade in the DIV with a new image, then set the same image to body and hide the DIV like:
(GRAY is BODY, SOrange is DIV)
The increment of the current image Array is achieved by preincrementing ++counter.
The loop fix is than achieved using Remainder Operator% to prevent the counter from exceeding the number of images in Array.
The loop itself is done inside .fadeTo() callback function by simply do a new iteration of the loopBg() function.
This is the needed CSS:
*{margin:0;padding:0;} /* Global reset */
html, body{height:100%;width:100%;}
body, #bg{ background: #000 none 50% / cover; }
#bg{
position:absolute;
top:0;
bottom:0;
left:0;
right:0;
width:100%;
height:100%;
}
And the jQ:
var images = [
"bg0.jpg",
"bg1.jpg",
"bg2.jpg"
];
var $body = $("body"),
$bg = $("#bg"),
n = images.length,
c = 0; // Loop Counter
// Preload Array of images...
for(var i=0; i<n; i++){
var tImg = new Image();
tImg.src = images[i];
}
$body.css({backgroundImage : "url("+images[c]+")"});
(function loopBg(){
$bg.hide().css({backgroundImage : "url("+images[++c%n]+")"}).delay(2000).fadeTo(1200, 1, function(){
$body.css({backgroundImage : "url("+images[c%n]+")"});
loopBg();
});
}());
Edit: If you want to keep the background changing but make the content scrollable, simply add overflow:auto; to #page like in this demo: http://jsbin.com/huzayiruti/1/
90
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