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June 15, 2011 07:08
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Create a Dynamic Scrolling Content Box Using AJAX
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<!-- http://webdeveloperplus.com/jquery/create-a-dynamic-scrolling-content-box-using-ajax/#respond --> | |
<!DOCTYPE html> | |
<html> | |
<head> | |
<style> | |
#container{ | |
width:400px; | |
margin:0px auto; | |
padding:40px 0; | |
} | |
#scrollbox{ | |
width:400px; | |
height:300px; | |
overflow:auto; overflow-x:hidden; | |
} | |
#container > p{ | |
background:#eee; | |
color:#666; | |
font-family:Arial, sans-serif; font-size:0.75em; | |
padding:5px; margin:0; | |
text-align:right; | |
} | |
</style> | |
<!-- Google Maps --> | |
<!-- | |
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"> | |
</script> | |
--> | |
<!-- JQuery --> | |
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"></script> | |
<script> | |
$('document').ready(function(){ | |
updatestatus(); | |
scrollalert(); | |
}); | |
function updatestatus(){ | |
//Show number of loaded items | |
var totalItems=$('#content p').length; | |
$('#status').text('Loaded '+totalItems+' Items'); | |
} | |
function scrollalert(){ | |
var scrolltop=$('#scrollbox').prop('scrollTop'); | |
var scrollheight=$('#scrollbox').prop('scrollHeight'); | |
var windowheight=$('#scrollbox').prop('clientHeight'); | |
var scrolloffset=20; | |
if(scrolltop>=(scrollheight-(windowheight+scrolloffset))) | |
{ | |
//fetch new items | |
$('#status').text('Loading more items...'); | |
$.get('new-items.html', '', function(newitems){ | |
$('#content').append(newitems); | |
updatestatus(); | |
}); | |
} | |
setTimeout('scrollalert();', 1500); | |
} | |
</script> | |
</head> | |
<body> | |
<div id="container"> | |
<div id="scrollbox" > | |
<div id="content" > | |
<p>Lorem ipsum dolor sit amet</p> | |
<p>Ipsum lorem dolor amet sit</p> | |
<p>Dolor lorem ipsum amet tis</p> | |
<p>Lorem ipsum dolor sit amet</p> | |
<p>Ipsum lorem dolor amet sit</p> | |
<p>Dolor lorem ipsum amet tis</p> | |
<p>Lorem ipsum dolor sit amet</p> | |
<p>Ipsum lorem dolor amet sit</p> | |
<p>Dolor lorem ipsum amet tis</p> | |
</div> | |
</div> | |
<p><span id="status" ></span></p> | |
</div> | |
</body> | |
</html> |
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