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<html> | |
<head> | |
<style> | |
.item {width:300px; display: inline-block; } | |
.item .itemtitle {font-weight:bold; font-size:2em;} | |
.hidden {display:none;} | |
</style> | |
</head> | |
<body> | |
<h1>Amalgam Comics Characters</h1> | |
<div id="listing"> | |
<!-- first few items are loaded normally --> | |
<div class="item"> | |
<img | |
src="http://static9.comicvine.com/uploads/scale_medium/0/229/305993-131358-dark-claw.jpg" | |
alt="Dark Claw" | |
width="300px" /> | |
<span class="itemtitle">Dark Claw</span> | |
</div> | |
<div class="item"> | |
<img | |
src="http://static6.comicvine.com/uploads/scale_super/3/31666/706536-supersoldier8.jpg" | |
alt="Super Soldier" | |
width="300px" /> | |
<span class="itemtitle">Super Soldier</span> | |
</div> | |
<div class="item"> | |
<img | |
src="http://static3.comicvine.com/uploads/scale_super/3/36899/732353-spidey.jpg" | |
alt="Spider Boy" | |
width="300px" /> | |
<span class="itemtitle">Spider Boy</span> | |
</div> | |
<!-- everything after this is lazy --> | |
<div id="viewMore"> | |
<a href="flatpage.html#more">View more</a> | |
</div> | |
<span id="nextPage" class="hidden"> | |
<div class="item"> | |
<img | |
src="http://spacergif.org/spacer.gif" | |
class="lazy" | |
data-src="http://vignette1.wikia.nocookie.net/amalgam/images/7/7c/Iron_Lantern.jpg/revision/latest?cb=20110828093145" | |
alt="Iron Lantern" | |
width="300px" /> | |
<noscript> | |
<img | |
src="http://vignette1.wikia.nocookie.net/amalgam/images/7/7c/Iron_Lantern.jpg/revision/latest?cb=20110828093145" | |
alt="Iron Lantern" | |
width="300px" /> | |
</noscript> | |
<span class="itemtitle">Iron Lantern</span> | |
</div> | |
<div class="item"> | |
<img | |
src="http://spacergif.org/spacer.gif" | |
class="lazy" | |
data-src="http://static6.comicvine.com/uploads/scale_super/0/1867/583722-amalgam_amazon1.jpg" | |
alt="Amazon" | |
width="300px" /> | |
<noscript> | |
<img | |
src="http://static6.comicvine.com/uploads/scale_super/0/1867/583722-amalgam_amazon1.jpg" | |
alt="Amazon" | |
width="300px" /> | |
</noscript> | |
<span class="itemtitle">Amazon</span> | |
</div> | |
<div class="item"> | |
<img | |
src="http://spacergif.org/spacer.gif" | |
class="lazy" | |
data-src="http://static4.comicvine.com/uploads/scale_super/0/1867/583727-bizarnage1.jpg" | |
alt="Bizarnage" | |
width="300px" /> | |
<noscript> | |
<img | |
src="http://static4.comicvine.com/uploads/scale_super/0/1867/583727-bizarnage1.jpg" | |
alt="Bizarnage" | |
width="300px" /> | |
</noscript> | |
<span class="itemtitle">Bizarnage</span> | |
</div> | |
<div class="item"> | |
<img | |
src="http://spacergif.org/spacer.gif" | |
class="lazy" | |
data-src="http://static1.comicvine.com/uploads/scale_super/0/1867/583724-amcatsai1.jpg" | |
alt="Catsai" | |
width="300px" /> | |
<noscript> | |
<img | |
src="http://static1.comicvine.com/uploads/scale_super/0/1867/583724-amcatsai1.jpg" | |
alt="Catsai" | |
width="300px" /> | |
</noscript> | |
<span class="itemtitle">Catsai</span> | |
</div> | |
<div class="item"> | |
<img | |
src="http://spacergif.org/spacer.gif" | |
class="lazy" | |
data-src="http://static4.comicvine.com/uploads/scale_super/0/1867/583743-moonwing1.jpg" | |
alt="Moonwing" | |
width="300px" /> | |
<noscript> | |
<img | |
src="http://static4.comicvine.com/uploads/scale_super/0/1867/583743-moonwing1.jpg" | |
alt="Moonwing" | |
width="300px" /> | |
</noscript> | |
<span class="itemtitle">Moonwing</span> | |
</div> | |
<div class="item"> | |
<img | |
src="http://spacergif.org/spacer.gif" | |
class="lazy" | |
data-src="http://static5.comicvine.com/uploads/scale_super/0/1867/583739-hawkeyei.jpg" | |
alt="Hawkeye" | |
width="300px" /> | |
<noscript> | |
<img | |
src="http://static5.comicvine.com/uploads/scale_super/0/1867/583739-hawkeyei.jpg" | |
alt="Hawkeye" | |
width="300px" /> | |
</noscript> | |
<span class="itemtitle">Hawkeye</span> | |
</div> | |
<div class="item"> | |
<img | |
src="http://spacergif.org/spacer.gif" | |
class="lazy" | |
data-src="http://static3.comicvine.com/uploads/scale_super/0/1867/583733-ammrcury1.jpg" | |
alt="Mercury" | |
width="300px" /> | |
<noscript> | |
<img | |
src="http://static3.comicvine.com/uploads/scale_super/0/1867/583733-ammrcury1.jpg" | |
alt="Mercury" | |
width="300px" /> | |
</noscript> | |
<span class="itemtitle">Mercury</span> | |
</div> | |
<div class="item"> | |
<img | |
src="http://spacergif.org/spacer.gif" | |
class="lazy" | |
data-src="http://static2.comicvine.com/uploads/scale_super/0/1867/583737-drfate3.jpg" | |
alt="Dr. Strangefate" | |
width="300px" /> | |
<noscript> | |
<img | |
src="http://static2.comicvine.com/uploads/scale_super/0/1867/583737-drfate3.jpg" | |
alt="Dr. Strangefate" | |
width="300px" /> | |
</noscript> | |
<span class="itemtitle">Dr. Strangefate</span> | |
</div> | |
</span> | |
</div> | |
<script> | |
var lazy = []; | |
registerListener('load', setLazy); | |
registerListener('load', lazyLoad); | |
registerListener('scroll', lazyLoad); | |
registerListener('resize', lazyLoad); | |
function setLazy(){ | |
document.getElementById('listing').removeChild(document.getElementById('viewMore')); | |
document.getElementById('nextPage').removeAttribute('class'); | |
lazy = document.getElementsByClassName('lazy'); | |
console.log('Found ' + lazy.length + ' lazy images'); | |
} | |
function lazyLoad(){ | |
for(var i=0; i<lazy.length; i++){ | |
if(isInViewport(lazy[i])){ | |
if (lazy[i].getAttribute('data-src')){ | |
lazy[i].src = lazy[i].getAttribute('data-src'); | |
lazy[i].removeAttribute('data-src'); | |
} | |
} | |
} | |
cleanLazy(); | |
} | |
function cleanLazy(){ | |
lazy = Array.prototype.filter.call(lazy, function(l){ return l.getAttribute('data-src');}); | |
} | |
function isInViewport(el){ | |
var rect = el.getBoundingClientRect(); | |
return ( | |
rect.bottom >= 0 && | |
rect.right >= 0 && | |
rect.top <= (window.innerHeight || document.documentElement.clientHeight) && | |
rect.left <= (window.innerWidth || document.documentElement.clientWidth) | |
); | |
} | |
function registerListener(event, func) { | |
if (window.addEventListener) { | |
window.addEventListener(event, func) | |
} else { | |
window.attachEvent('on' + event, func) | |
} | |
} | |
</script> | |
</body> | |
</html> |
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