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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Verify results agains Easing 1.3 plugin</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-2.2.3.js"></script>
<script>
var origEasing = $.extend(true, {}, $.easing);
</script>
<script type="text/javascript" src="../jquery.easing.js"></script>
<script>
var newEasing = $.extend(true, {}, $.easing);
</script>
<!-- loaded last because it refers back to the $.easing fns it defines -->
<script src="http://gsgd.co.uk/sandbox/jquery/easing/jquery.easing.1.3.js"></script>
<script>
var oldEasing = $.easing;
</script>
<style type="text/css" media="screen">
#bounds {
width: 250px;
height: 250px;
border: 1px solid #888;
}
#box {
height: 50px;
width: 50px;
background: black;
}
</style>
<script type="text/javascript">
$(function() {
var times = [
0, 0.09, 0.15, 0.24, 0.37, 0.43, 0.50,
0.58, 0.64, 0.76, 0.89, 0.92, 0.98, 1
];
$.each( oldEasing, function( name ) {
var oldfn = oldEasing[ name ],
newfn = newEasing[ name ];
if ( typeof oldfn !== "function" || name === "swing" || name === "jswing" ) {
return;
}
$( "#results").append( "<br />--- Testing " + name + " " );
try {
times.forEach( function( time ) {
var ov = oldfn(time, time*1000, 0, 1, 1000),
nv = newfn(time),
diff = Math.abs(ov - nv);
if ( Number.isNaN(diff) || diff > 0.001 ) {
$( "#results").append("<br />at " + time + ": old " + ov + " new " + nv );
}
});
$( "#results").append( "Done" );
} catch ( err ) {
$( "#results").append( err );
}
});
});
</script>
</head>
<body>
<h1>Easing function comparison</h1>
<p id=results></p>
</body>
</html>