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March 23, 2018 18:06
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Old chord practice tool (2012)
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<!doctype html> | |
<html> | |
<head> | |
<title>Chord Randomiser</title> | |
<style type="text/css"> | |
body, html { margin: 0; padding: 0; background: #fff; font: 19pt serif; } | |
div#outer { width: 300px; margin: 0 auto; padding-top: 50px; text-align: center; } | |
div#key, div#chord, div#type { font-weight: bold; position: absolute; top: 49px; } | |
div#key { margin-left: 125px; } | |
div#chord { margin-left: 230px; } | |
div#type { margin-left: 260px; display: none; } | |
div.read { margin-right: 30px; display: inline; } | |
div#extra { display: none; position: absolute; top: 48px; margin-left: 15px; } | |
div#extra a { background: none; color: #000; font-weight: bold; font-size: 19pt; } | |
a { background: #000; color: #fff; padding: 2px; cursor: pointer; text-decoration: none; font-size: 11pt; } | |
a.r { background: #fff; color: #000; cursor: auto; } | |
</style> | |
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script> | |
<script type="text/javascript"> | |
var rnd = function () { | |
var a = document.getElementsByTagName('a')[1]; | |
if ( a.className != 'r' ) { | |
var keys, chords, types; | |
keys = 'C,D,E,F,G,A,B,C'; | |
chords = 'I,ii,iii,IV,V,vi'; | |
types = 'Maj,min,Dim,Aug,Maj7,min7,7,m7b5,Dim7,Maj9,min9,9'; | |
a.innerHTML = 'Randomising...'; | |
a.className += 'r'; | |
keys = keys.split(','); | |
chords = chords.split(','); | |
types = types.split(','); | |
setTimeout( function() { | |
var key, chord, type; | |
a.innerHTML = 'Randomise'; | |
a.className = a.className.replace( /(?:^|\s)r(?!\S)/g , '' ); | |
key = Math.floor(Math.random() * keys.length); | |
document.getElementById('key').innerHTML = keys[key]; | |
chord = Math.floor(Math.random() * chords.length); | |
document.getElementById('chord').innerHTML = chords[chord]; | |
type = Math.floor(Math.random() * types.length); | |
document.getElementById('type').innerHTML = types[type]; | |
if ( document.getElementById('extra').className != 'r' ) { | |
document.getElementById('extra').style.display = 'inline'; | |
} | |
}, 500); | |
} | |
}; | |
$(document).ready(function(){ | |
$('div#extra a').mouseover( function() { | |
$('div#extra').css('margin-left','17px'); | |
}); | |
$('div#extra a').mouseout( function() { | |
$('div#extra').css('margin-left','15px'); | |
}); | |
$('div#extra a').click( function() { | |
$('div#extra').animate({marginLeft:'50px',opacity:'0'}).hide('slow'); | |
$('div#extra a').addClass('r'); | |
$('div#type').show('fast'); | |
$('a').animate({marginLeft:'50px'}); | |
$('div#outer').animate({paddingRight:'50px'}); | |
}); | |
}); | |
</script> | |
</head> | |
<body> | |
<div id="outer"> | |
<div id="key"></div><div id="chord"></div><div id="type"></div> | |
<div class="read">Key of</div><div class="read">, Chord</div><div id="extra"><a>»</a></div> | |
<br /> | |
<a onclick="rnd();">Randomise</a> | |
</div> | |
</body> | |
</html> |
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