JavaScript Tutorial/Animation/Timer

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Count down timer

   <source lang="javascript">

<html> <head> <title>A Simple Page</title> <meta http-equiv="refresh" content="30"> <script language="JavaScript">

</script> </head> <body onload="startClock()"> <form name="form1"> <input type="text" name="clock"> </form> </body> </html></source>


Jtween animation

   <source lang="javascript">

<html> <head> <title>JSTween</title> <script language="javascript"> /********************************************************************** TERMS OF USE - EASING EQUATIONS Open source under the BSD License. Copyright (c) 2001 Robert Penner JavaScript version copyright (C) 2006 by Philippe Maegerman All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 

  * Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer. 

  * Redistributions in binary form must reproduce the above

copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 

  * Neither the name of the author nor the names of contributors may

be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

                                                                                  • /

function Delegate() {} Delegate.create = function (o, f) { 

 var a = new Array() ;
 var l = arguments.length ;
 for(var i = 2 ; i < l ; i++) a[i - 2] = arguments[i] ;
 return function() {
   var aP = [].concat(arguments, a) ;
   f.apply(o, aP);
 }

} Tween = function(obj, prop, func, begin, finish, duration, suffixe){ 

 this.init(obj, prop, func, begin, finish, duration, suffixe)

} var t = Tween.prototype; t.obj = new Object(); t.prop=""; t.func = function (t, b, c, d) { return c*t/d + b; }; t.begin = 0; t.change = 0; t.prevTime = 0; t.prevPos = 0; t.looping = false; t._duration = 0; t._time = 0; t._pos = 0; t._position = 0; t._startTime = 0; t._finish = 0; t.name = ""; t.suffixe = ""; t._listeners = new Array(); t.setTime = function(t){ 

 this.prevTime = this._time;
 if (t > this.getDuration()) {
   if (this.looping) {
     this.rewind (t - this._duration);
     this.update();
     this.broadcastMessage("onMotionLooped",{target:this,type:"onMotionLooped"});
   } else {
     this._time = this._duration;
     this.update();
     this.stop();
     this.broadcastMessage("onMotionFinished",{target:this,type:"onMotionFinished"});
   }
 } else if (t < 0) {
   this.rewind();
   this.update();
 } else {
   this._time = t;
   this.update();
 }

} t.getTime = function(){ 

 return this._time;

} t.setDuration = function(d){ 

 this._duration = (d == null || d <= 0) ? 100000 : d;

} t.getDuration = function(){ 

 return this._duration;

} t.setPosition = function(p){ 

 this.prevPos = this._pos;
 var a = this.suffixe != "" ? this.suffixe : "";
 this.obj[this.prop] = Math.round(p) + a;
 this._pos = p;
 this.broadcastMessage("onMotionChanged",{target:this,type:"onMotionChanged"});

} t.getPosition = function(t){ 

 if (t == undefined) t = this._time;
 return this.func(t, this.begin, this.change, this._duration);

}; t.setFinish = function(f){ 

 this.change = f - this.begin;

}; t.geFinish = function(){ 

 return this.begin + this.change;

}; t.init = function(obj, prop, func, begin, finish, duration, suffixe){ 

 if (!arguments.length) return;
 this._listeners = new Array();
 this.addListener(this);
 if(suffixe) this.suffixe = suffixe;
 this.obj = obj;
 this.prop = prop;
 this.begin = begin;
 this._pos = begin;
 this.setDuration(duration);
 if (func!=null && func!="") {
   this.func = func;
 }
 this.setFinish(finish);

} t.start = function(){ 

 this.rewind();
 this.startEnterFrame();
 this.broadcastMessage("onMotionStarted",{target:this,type:"onMotionStarted"});
 //alert("in");

} t.rewind = function(t){ 

 this.stop();
 this._time = (t == undefined) ? 0 : t;
 this.fixTime();
 this.update();

} t.fforward = function(){ 

 this._time = this._duration;
 this.fixTime();
 this.update();

} t.update = function(){ 

 this.setPosition(this.getPosition(this._time));
 }

t.startEnterFrame = function(){ 

 this.stopEnterFrame();
 this.isPlaying = true;
 this.onEnterFrame();

} t.onEnterFrame = function(){ 

 if(this.isPlaying) {
   this.nextFrame();
   setTimeout(Delegate.create(this, this.onEnterFrame), 0);
 }

} t.nextFrame = function(){ 

 this.setTime((this.getTimer() - this._startTime) / 1000);
 }

t.stop = function(){ 

 this.stopEnterFrame();
 this.broadcastMessage("onMotionStopped",{target:this,type:"onMotionStopped"});

} t.stopEnterFrame = function(){ 

 this.isPlaying = false;

} t.continueTo = function(finish, duration){ 

 this.begin = this._pos;
 this.setFinish(finish);
 if (this._duration != undefined)
   this.setDuration(duration);
 this.start();

} t.resume = function(){ 

 this.fixTime();
 this.startEnterFrame();
 this.broadcastMessage("onMotionResumed",{target:this,type:"onMotionResumed"});

} t.yoyo = function (){ 

 this.continueTo(this.begin,this._time);

} t.addListener = function(o){ 

 this.removeListener (o);
 return this._listeners.push(o);

} t.removeListener = function(o){ 

 var a = this._listeners;  
 var i = a.length;
 while (i--) {
   if (a[i] == o) {
     a.splice (i, 1);
     return true;
   }
 }
 return false;

} t.broadcastMessage = function(){ 

 var arr = new Array();
 for(var i = 0; i < arguments.length; i++){
   arr.push(arguments[i])
 }
 var e = arr.shift();
 var a = this._listeners;
 var l = a.length;
 for (var i=0; i<l; i++){
   if(a[i][e])
   a[i][e].apply(a[i], arr);
 }

} t.fixTime = function(){ 

 this._startTime = this.getTimer() - this._time * 1000;

} t.getTimer = function(){ 

 return new Date().getTime() - this._time;

} Tween.backEaseIn = function(t,b,c,d,a,p){ 

 if (s == undefined) var s = 1.70158;
 return c*(t/=d)*t*((s+1)*t - s) + b;

} Tween.backEaseOut = function(t,b,c,d,a,p){ 

 if (s == undefined) var s = 1.70158;
 return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;

} Tween.backEaseInOut = function(t,b,c,d,a,p){ 

 if (s == undefined) var s = 1.70158; 
 if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
 return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;

} Tween.elasticEaseIn = function(t,b,c,d,a,p){ 

   if (t==0) return b;  
   if ((t/=d)==1) return b+c;  
   if (!p) p=d*.3;
   if (!a || a < Math.abs(c)) {
     a=c; var s=p/4;
   }
   else 
     var s = p/(2*Math.PI) * Math.asin (c/a);
   
   return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;

} Tween.elasticEaseOut = function (t,b,c,d,a,p){ 

   if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
   if (!a || a < Math.abs(c)) { a=c; var s=p/4; }
   else var s = p/(2*Math.PI) * Math.asin (c/a);
   return (a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b);
 }

Tween.elasticEaseInOut = function (t,b,c,d,a,p){ 

 if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) var p=d*(.3*1.5);
 if (!a || a < Math.abs(c)) {var a=c; var s=p/4; }
 else var s = p/(2*Math.PI) * Math.asin (c/a);
 if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
 return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;

} Tween.bounceEaseOut = function(t,b,c,d){ 

 if ((t/=d) < (1/2.75)) {
   return c*(7.5625*t*t) + b;
 } else if (t < (2/2.75)) {
   return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
 } else if (t < (2.5/2.75)) {
   return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
 } else {
   return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
 }

} Tween.bounceEaseIn = function(t,b,c,d){ 

 return c - Tween.bounceEaseOut (d-t, 0, c, d) + b;
 }

Tween.bounceEaseInOut = function(t,b,c,d){ 

 if (t < d/2) return Tween.bounceEaseIn (t*2, 0, c, d) * .5 + b;
 else return Tween.bounceEaseOut (t*2-d, 0, c, d) * .5 + c*.5 + b;
 }

Tween.strongEaseInOut = function(t,b,c,d){ 

 return c*(t/=d)*t*t*t*t + b;
 }

Tween.regularEaseIn = function(t,b,c,d){ 

 return c*(t/=d)*t + b;
 }

Tween.regularEaseOut = function(t,b,c,d){ 

 return -c *(t/=d)*(t-2) + b;
 }

Tween.regularEaseInOut = function(t,b,c,d){ 

 if ((t/=d/2) < 1) return c/2*t*t + b;
 return -c/2 * ((--t)*(t-2) - 1) + b;
 }

Tween.strongEaseIn = function(t,b,c,d){ 

 return c*(t/=d)*t*t*t*t + b;
 }

Tween.strongEaseOut = function(t,b,c,d){ 

 return c*((t=t/d-1)*t*t*t*t + 1) + b;
 }

Tween.strongEaseInOut = function(t,b,c,d){ 

 if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
 return c/2*((t-=2)*t*t*t*t + 2) + b;
 }

</script> <script language="javascript"> /********************************************************************** TERMS OF USE - EASING EQUATIONS Open source under the BSD License. Copyright (c) 2001 Robert Penner JavaScript version copyright (C) 2006 by Philippe Maegerman All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 

  * Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer. 

  * Redistributions in binary form must reproduce the above

copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 

  * Neither the name of the author nor the names of contributors may

be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

                                                                                  • /

OpacityTween.prototype = new Tween(); OpacityTween.prototype.constructor = Tween; OpacityTween.superclass = Tween.prototype; function OpacityTween(obj,func,fromOpacity,toOpacity,duration){ 

 this.targetObject = obj;
 this.init(new Object(),"x",func,fromOpacity,toOpacity,duration);

} var o = OpacityTween.prototype; o.targetObject = {}; o.onMotionChanged = function(evt){ 

 var v = evt.target._pos;
 var t = this.targetObject;
 t.style["opacity"] = v / 100;
 t.style["-moz-opacity"] = v / 100;
 if(t.filters) t.filters.alpha["opacity"] = v;

} </script> <script language="javascript"> /********************************************************************** TERMS OF USE - EASING EQUATIONS Open source under the BSD License. Copyright (c) 2001 Robert Penner JavaScript version copyright (C) 2006 by Philippe Maegerman All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 

  * Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer. 

  * Redistributions in binary form must reproduce the above

copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 

  * Neither the name of the author nor the names of contributors may

be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

                                                                                  • /

ColorTween.prototype = new Tween(); ColorTween.prototype.constructor = Tween; ColorTween.superclass = Tween.prototype; function ColorTween(obj,prop,func,fromColor,toColor,duration){ 

 this.targetObject = obj;
 this.targetProperty = prop;  
 this.fromColor = fromColor;
 this.toColor = toColor;
 this.init(new Object(),"x",func,0,100,duration);
 this.listenerObj = new Object();
 this.listenerObj.onMotionChanged = Delegate.create(this,this.onColorChanged);
 this.addListener(this.listenerObj);

} var o = ColorTween.prototype; o.targetObject = {}; o.targetProperty = {}; o.fromColor = ""; o.toColor = ""; o.currentColor = ""; o.listenerObj = {}; o.onColorChanged = function(){ 

 this.currentColor = this.getColor(this.fromColor,this.toColor,this._pos);
 this.targetObject[this.targetProperty] = this.currentColor;

} /***********************************************

  • Function  : getColor
  • Parameters  : start - the start color (in the form "RRGGBB" e.g. "FF00AC")
  • end - the end color (in the form "RRGGBB" e.g. "FF00AC")
  • percent - the percent (0-100) of the fade between start & end
  • returns  : color in the form "#RRGGBB" e.g. "#FA13CE"
  • Description : This is a utility function. Given a start and end color and
  • a percentage fade it returns a color in between the 2 colors
  • Author  : www.JavaScript-FX.ru
                                                                                                  • /

o.getColor = function(start, end, percent) { 

 var r1=this.hex2dec(start.slice(0,2));
   var g1=this.hex2dec(start.slice(2,4));
   var b1=this.hex2dec(start.slice(4,6));
   var r2=this.hex2dec(end.slice(0,2));
   var g2=this.hex2dec(end.slice(2,4));
   var b2=this.hex2dec(end.slice(4,6));
   var pc = percent/100;
   r= Math.floor(r1+(pc*(r2-r1)) + .5);
   g= Math.floor(g1+(pc*(g2-g1)) + .5);
   b= Math.floor(b1+(pc*(b2-b1)) + .5);
   return("#" + this.dec2hex(r) + this.dec2hex(g) + this.dec2hex(b));

} /*** These are the simplest HEX/DEC conversion routines I could come up with ***/ /*** I have seen a lot of fade routines that seem to make this a ***/ /*** very complex task. I am sure somene else must"ve had this idea ***/ /************************************************/ o.dec2hex = function(dec){return(this.hexDigit[dec>>4]+this.hexDigit[dec&15]);} o.hexDigit=new Array("0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"); o.hex2dec = function(hex){return(parseInt(hex,16))}; </script> <script language="javascript"> /********************************************************************** TERMS OF USE - EASING EQUATIONS Open source under the BSD License. Copyright (c) 2001 Robert Penner JavaScript version copyright (C) 2006 by Philippe Maegerman All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 

  * Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer. 

  * Redistributions in binary form must reproduce the above

copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 

  * Neither the name of the author nor the names of contributors may

be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

                                                                                  • /

function Delegate() {} Delegate.create = function (o, f) { 

 var a = new Array() ;
 var l = arguments.length ;
 for(var i = 2 ; i < l ; i++) a[i - 2] = arguments[i] ;
 return function() {
   var aP = [].concat(arguments, a) ;
   f.apply(o, aP);
 }

} function Sequence(){ 

 this.children = new Array();
 this.currentChildIndex = 0;
 this._listeners = new Array();
 this.nextObject = new Object();
 this.addListener(this);

} var s = Sequence.prototype; s.addChild = function(tween){ 

 this.children.push(tween)

} s.removeChild = function(tween){ 

 var a = this.children;  
 var i = a.length;
 while (i--) {
   if (a[i] == tween) {
     a.splice (i, 1);
     return true;
   }
 }
 return false;

} s.start = function(){ 

 this.rewind();
 this.play();
 this.broadcastMessage("onMotionStarted",{target:this,type:"onMotionStarted"});

} s.next = function(){ 

 this.children[this.currentChildIndex].removeListener(this.nextObject);
 if(this.currentChildIndex < this.children.length-1){
   this.currentChildIndex++;
   this.play();
 }
 else{
   this.stop();
   this.broadcastMessage("onMotionFinished",{target:this,type:"onMotionFinished"});
 }

} s.play = function(){ 

 this.nextObject = new Object();
 this.nextObject.onMotionFinished = Delegate.create(this, this.next);
 this.children[this.currentChildIndex].addListener(this.nextObject);
 this.children[this.currentChildIndex].start();

} s.stop = function(){ 

 this.children[this.currentChildIndex].stop();
 this.broadcastMessage("onMotionStopped",{target:this,type:"onMotionStopped"});

} s.rewind = function(){ 

 this.children[this.currentChildIndex].removeListener(this.nextObject);
 this.currentChildIndex = 0;
 for(var i = 0; i < this.children.length; i++){
   this.children[i].rewind();
 }

} s.fforward = function(){ 

 this.children[this.currentChildIndex].removeListener(this.nextObject);
 for(var i = 0; i < this.children.length; i++){
   this.children[i].fforward();
 }
 this.currentChildIndex = this.children.length - 1;

} s.resume = function(){ 

 this.children[this.currentChildIndex].resume();
 this.broadcastMessage("onMotionResumed",{target:this,type:"onMotionStopped"});

} s.addListener = function(o){ 

 this.removeListener (o);
 return this._listeners.push(o);

} s.removeListener = function(o){ 

 var a = this._listeners;  
 var i = a.length;
 while (i--) {
   if (a[i] == o) {
     a.splice (i, 1);
     return true;
   }
 }
 return false;

} s.broadcastMessage = function(){ 

 var arr = new Array();
 for(var i = 0; i < arguments.length; i++){
   arr.push(arguments[i])
 }
 var e = arr.shift();
 var a = this._listeners;
 var l = a.length;
 for (var i=0; i<l; i++){
   if(a[i][e])
   a[i][e].apply(a[i], arr);
 }

} </script> <script language="javascript"> function init(){ 

 t1 = new Sequence();
 t2 = new Sequence();
 t3 = new Sequence();
 t4 = new Sequence();
 for(var i = 1; i < 4; i++){
   var elem = document.getElementById("sq" + i);
   t1.addChild(new OpacityTween(elem,Tween.bounceEaseOut,100,0,1));
   t2.addChild(new ColorTween(elem.style,"backgroundColor",Tween.bounceEaseOut,"FF0000","00FF00",1));
   t3.addChild(new Tween(elem.style,"width",Tween.bounceEaseOut,25,100,0.5,"px"));
 }
 t4.addChild(t3);
 t4.addChild(t2);
 t4.addChild(t1);

} function dumpThis(a){ 

 var z = "";
 for(var i in a){
   z += i + " : " + a[i] + "\n";
 }
 alert(z);

} </script> <style> .square{ float:left; position:relative; filter:Alpha(opacity=100); } .bgRed{ background-color:#FF0000; }

  1. sq1{

left:10px; }

  1. sq2{

left:20px; }

  1. sq3{

left:30px; } </style> </head> <body onload="init()"> 

1�) I create 4 sequences
t1 = new Sequence();
t2 = new Sequence();
t3 = new Sequence();
t4 = new Sequence();
2�) I add Tweens to these sequences for each square
for(var i = 1; i < 4; i++){
  var elem = document.getElementById("sq" + i);
  t1.addChild(new OpacityTween(elem,Tween.bounceEaseOut,100,0,1));
  t2.addChild(new ColorTween(elem.style,"backgroundColor",Tween.bounceEaseOut,"FF0000","00FF00",1));
  t3.addChild(new Tween(elem.style,"width",Tween.bounceEaseOut,25,100,0.5,"px"));
}
3�)
I add the first 3 sequences to the 4th (sequence of sequences)
t4.addChild(t3);
t4.addChild(t2);
t4.addChild(t1);

Sequence t1 : opacity

<input type="button" onclick="t1.start();" value="start()"><input type="button" onclick="t1.stop();" value="stop()"><input type="button" onclick="t1.resume();" value="resume()"><input type="button" onclick="t1.rewind();" value="rewind()"><input type="button" onclick="t1.fforward();" value="fforward()">

Sequence t2 : color

<input type="button" onclick="t2.start();" value="start()"><input type="button" onclick="t2.stop();" value="stop()"><input type="button" onclick="t2.resume();" value="resume()"><input type="button" onclick="t2.rewind();" value="rewind()"><input type="button" onclick="t2.fforward();" value="fforward()">

Sequence t3 : size

<input type="button" onclick="t3.start();" value="start()"><input type="button" onclick="t3.stop();" value="stop()"><input type="button" onclick="t3.resume();" value="resume()"><input type="button" onclick="t3.rewind();" value="rewind()"><input type="button" onclick="t3.fforward();" value="fforward()">

Sequence t4 : Sequence t3 + Sequence t2 + Sequence t1

<input type="button" onclick="t4.start();" value="start()"><input type="button" onclick="t4.stop();" value="stop()"><input type="button" onclick="t4.resume();" value="resume()"><input type="button" onclick="t4.rewind();" value="rewind()"><input type="button" onclick="t4.fforward();" value="fforward()">

</body> </html></source>

Источник — «http://wbex.ru/index.php?title=JavaScript_Tutorial/Animation/Timer&oldid=8981»