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<!DOCTYPE html>
<html>
<head>
<meta name='viewport' content='width=device-width' />
<title>Custom Scrollbars</title>
<link href='css/css3_scroll.css' type='text/css' rel='stylesheet'/>
</head>
<body>
<section>
<article>
<h3>Custom Scrollbars</h3>
<p>
Unlike standard text, linebreaks cannot appear arbitrarily within
blocks of code. Wide lines may be difficult to read within a
narrow-screen mobile interface:
</p>
<pre>
window.onload = function() {
var aside = document.querySelector('#related');
document.querySelector('#main').addEventListener('mouseup', function(event){
var thresholdDec = 0.5;
var totalHeight = event.currentTarget.scrollHeight;
var tapHeight = event.layerY;
var tapHeightDec = tapHeight / totalHeight;
var minHeight = 360;
if ( tapHeight < minHeight ) aside.className = '';
if (tapHeightDec > thresholdDec ) {
aside.className = 'visible';
}
else {
aside.className = '';
}
});
};
</pre>
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec feugiat
gravida viverra. Vivamus ipsum felis, cursus sed venenatis nec, tempus
ac tellus. Praesent luctus, risus eu vestibulum mollis, arcu mauris
mollis ante, id mollis risus lectus ornare nisl. Aenean elementum arcu
sed nibh faucibus pellentesque. Aliquam erat volutpat. Mauris tempor,
urna at dignissim pellentesque, velit lacus dictum sem, non porttitor
felis nulla nec risus. Donec a massa felis, a congue purus. Nullam et
turpis diam. Aenean vestibulum egestas metus, eu sodales dolor
venenatis quis. Aenean augue orci, facilisis et convallis ut, egestas
at neque.
</p>
</article>
</section>
</body>
</html>