<!DOCTYPE html>
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<html>
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<head>
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<title>jQuery Knob demo</title>
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<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js"></script>
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<script src="js/jquery.knob.js"></script>
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<script>
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$(function($) {
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$(".knob").knob({
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change : function (value) {
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//console.log("change : " + value);
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},
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release : function (value) {
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//console.log(this.$.attr('value'));
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console.log("release : " + value);
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},
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cancel : function () {
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console.log("cancel : ", this);
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},
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draw : function () {
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// "tron" case
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if(this.$.data('skin') == 'tron') {
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var a = this.angle(this.cv) // Angle
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, sa = this.startAngle // Previous start angle
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, sat = this.startAngle // Start angle
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, ea // Previous end angle
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, eat = sat + a // End angle
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, r = 1;
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this.g.lineWidth = this.lineWidth;
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this.o.cursor
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&& (sat = eat - 0.3)
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&& (eat = eat + 0.3);
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if (this.o.displayPrevious) {
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ea = this.startAngle + this.angle(this.v);
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this.o.cursor
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&& (sa = ea - 0.3)
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&& (ea = ea + 0.3);
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this.g.beginPath();
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this.g.strokeStyle = this.pColor;
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this.g.arc(this.xy, this.xy, this.radius - this.lineWidth, sa, ea, false);
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this.g.stroke();
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}
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this.g.beginPath();
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this.g.strokeStyle = r ? this.o.fgColor : this.fgColor ;
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this.g.arc(this.xy, this.xy, this.radius - this.lineWidth, sat, eat, false);
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this.g.stroke();
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this.g.lineWidth = 2;
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this.g.beginPath();
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this.g.strokeStyle = this.o.fgColor;
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this.g.arc( this.xy, this.xy, this.radius - this.lineWidth + 1 + this.lineWidth * 2 / 3, 0, 2 * Math.PI, false);
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this.g.stroke();
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return false;
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}
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}
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});
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// Example of infinite knob, iPod click wheel
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var v, up=0,down=0,i=0
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,$idir = $("div.idir")
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,$ival = $("div.ival")
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,incr = function() { i++; $idir.show().html("+").fadeOut(); $ival.html(i); }
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,decr = function() { i--; $idir.show().html("-").fadeOut(); $ival.html(i); };
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$("input.infinite").knob(
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{
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min : 0
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, max : 20
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, stopper : false
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, change : function () {
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if(v > this.cv){
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if(up){
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decr();
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up=0;
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}else{up=1;down=0;}
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} else {
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if(v < this.cv){
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if(down){
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incr();
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down=0;
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}else{down=1;up=0;}
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}
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}
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v = this.cv;
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}
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});
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});
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</script>
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<style>
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body{
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padding: 0;
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margin: 0px 50px;
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font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
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font-weight: 300;
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text-rendering: optimizelegibility;
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}
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p{font-size: 30px; line-height: 30px}
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div.demo{text-align: center; width: 280px; float: left}
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div.demo > p{font-size: 20px}
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</style>
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</head>
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<body>
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<div style="width:100%;font-size:40px;letter-spacing:-8px;line-height:40px;">
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<h1>jQuery Knob</h1>
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</div>
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<div>
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<p>Nice, downward compatible, touchable, jQuery dial. <a href="http://flattr.com/thing/674900/jQuery-Knob" target="_blank"><img src="http://api.flattr.com/button/flattr-badge-large.png" alt="Flattr this" title="Flattr this" border="0" /></a></p>
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<p style="font-size: 20px">* implemented interactions : mouse click and wheel mouse, keyboard (on focus) and fingers (touch events)</p>
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</div>
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<div class="demo">
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<p>× Disable display input</p>
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<pre>
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data-width="100"
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data-displayInput=false
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</pre>
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<input class="knob" data-width="100" data-displayInput=false value="35">
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</div>
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<div class="demo">
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<p>× 'cursor' mode</p>
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<pre>
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data-width="150"
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data-cursor=true
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data-thickness=.3
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data-fgColor="#222222"
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</pre>
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<input class="knob" data-width="150" data-cursor=true data-fgColor="#222222" data-thickness=.3 value="29">
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</div>
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<div class="demo" >
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<p>× Display previous value</p>
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<pre>
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data-displayPrevious=true
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data-min="-100"
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</pre>
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<input class="knob" data-width="200" data-min="-100" data-displayPrevious=true value="44">
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</div>
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<div style="clear:both"></div>
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<div class="demo">
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<p>× Angle offset</p>
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<pre>
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data-angleOffset=90
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data-linecap=round
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</pre>
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<input class="knob" data-angleOffset=90 data-linecap=round value="35">
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</div>
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<div class="demo">
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<p>× Angle offset and arc</p>
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<pre>
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data-fgColor="#66CC66"
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data-angleOffset=-125
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data-angleArc=250
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</pre>
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<input class="knob" data-angleOffset=-125 data-angleArc=250 data-fgColor="#66EE66" value="35">
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</div>
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<div class="demo" >
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<p>× 5-digit values, step 1000</p>
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<pre>
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data-step="1000"
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data-min="-15000"
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data-max="15000"
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data-displayPrevious=true
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</pre>
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<input class="knob" data-min="-15000" data-displayPrevious=true data-max="15000" data-step="1000" value="-11000">
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</div>
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<div style="clear:both"></div>
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<div style="text-align: center">
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<p style="font-size: 20px">× Overloaded 'draw' method</p>
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</div>
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<div style="background-color: #222; height: 340px">
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<div class="demo" style="background-color:#222; color:#FFF;">
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<pre>
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data-width="75"
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data-fgColor="#ffec03"
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data-skin="tron"
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data-thickness=".2"
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data-displayPrevious=true
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</pre>
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<input class="knob" data-width="75" data-displayPrevious=true data-fgColor="#ffec03" data-skin="tron" data-cursor=true value="75" data-thickness=".2">
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</div>
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<div class="demo" style="background-color:#222; color:#FFF;">
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<pre>
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data-width="150"
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data-fgColor="#ffec03"
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data-skin="tron"
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data-thickness=".2"
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data-displayPrevious=true
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</pre>
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<input class="knob" data-width="150" data-displayPrevious=true data-fgColor="#ffec03" data-skin="tron" data-thickness=".2" value="75">
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</div>
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<div class="demo" style="background-color:#222; color:#FFF;">
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<pre>
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data-width="150"
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data-fgColor="#C0ffff"
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data-skin="tron"
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data-thickness=".1"
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data-angleOffset="180"
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</pre>
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<input class="knob" data-width="150" data-angleOffset="180" data-fgColor="#C0ffff" data-skin="tron" data-thickness=".1" value="35">
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</div>
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</div>
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<div style="clear:both"></div>
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<div class="demo" style="width:100%">
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<p>× Responsive</p>
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<pre>
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data-width="80%"
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</pre>
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<div style="width: 30%; border: 3px dashed; margin-bottom: 20px">
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<i>
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Current div width is 30% of window width.<br>
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Knob width is 80% of current div.<br>
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Knob width is 80% of 30% of window width.<br>
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Test resizing window.
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</i>
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<br>
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<br>
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<input class="knob" data-width="80%" value="35">
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</div>
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</div>
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<div style="clear:both"></div>
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<script>
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function clock() {
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var $s = $(".second"),
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$m = $(".minute"),
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$h = $(".hour");
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d = new Date(),
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s = d.getSeconds(),
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m = d.getMinutes(),
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h = d.getHours();
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$s.val(s).trigger("change");
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$m.val(m).trigger("change");
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$h.val(h).trigger("change");
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setTimeout("clock()", 1000);
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}
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clock();
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</script>
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<div class="demo" style="color:#EEE;background:#222;height:420px;width:100%">
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<p>× Superpose (clock)</p>
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<div style="position:relative;width:350px;margin:auto">
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<div style="position:absolute;left:10px;top:10px">
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<input class="knob hour" data-min="0" data-max="24" data-bgColor="#333" data-fgColor="#ffec03" data-displayInput=false data-width="300" data-height="300" data-thickness=".3">
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</div>
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<div style="position:absolute;left:60px;top:60px">
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<input class="knob minute" data-min="0" data-max="60" data-bgColor="#333" data-displayInput=false data-width="200" data-height="200" data-thickness=".45">
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</div>
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<div style="position:absolute;left:110px;top:110px">
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<input class="knob second" data-min="0" data-max="60" data-bgColor="#333" data-fgColor="rgb(127, 255, 0)" data-displayInput=false data-width="100" data-height="100" data-thickness=".3">
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</div>
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</div>
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</div>
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<div style="clear:both"></div>
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<div class="demo">
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<p>× Readonly</p>
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<pre>
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data-thickness=".4"
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data-fgColor="chartreuse"
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data-readOnly=true
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</pre>
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<input class="knob" data-fgColor="chartreuse" data-thickness=".4" data-readOnly=true value="22">
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</div>
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<div class="demo">
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<p>× Dynamic</p>
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<pre>
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data-width="200"
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</pre>
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<input type="button" onclick="$('.knob-dyn').knob();" value="knobify!">
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<input type="text" class="knob-dyn" data-width="200" data-cursor=true value="56">
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<pre>
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data-width="50"
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data-cursor=true
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</pre>
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<input type="button" onclick="$('.knob-dyn2').knob();" value="knobify!">
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<input type="text" class="knob-dyn2" data-width="50" data-thickness=".4" value="56">
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</div>
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<div class="demo" style="height:440px;width:300px">
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<p>× Infinite || iPod click wheel</p>
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<div style="float:left;width:180px;height:320px;padding:20px;background-color:#EEEEEE;text-align:center;">
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<pre>
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data-width="150"
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data-cursor=true
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data-thickness=".5"
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data-fgColor="#AAAAAA"
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data-bgColor="#FFFFFF"
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data-displayInput="false"
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+ some code
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</pre>
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<input class="infinite" data-width="150" data-thickness=".5" data-fgColor="#AAAAAA" data-bgColor="#FFFFFF" data-displayInput="false" data-cursor=true>
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</div>
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<div style="float:left;margin-top:200px;">
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<div class="ival" style="width:80px;text-align:center;font-size:50px;color:#AAA">0</div>
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<div class="idir" style="width:80px;text-align:center;font-size:50px;"></div>
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</div>
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</div>
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<div style="clear:both"></div>
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<div id="big" class="demo" style="height:800px;width:100%">
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<p>× Big !</p>
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<pre>
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data-width="700"
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</pre>
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<input class="knob" data-min="-100" data-max="100" data-width="700" data-height="700" data-thickness=".3" data-cursor=true>
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</div>
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<div style="clear:both"></div>
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<div style="padding:30px; margin-top:30px;">
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<p style="font-size:20px;">jQuery Knob is © 2012 Anthony Terrien and dual licensed under the MIT or GPL licenses.</p>
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</div>
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</body>
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</html>
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