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Tạo một đồng hồ kim ở góc dưới-phải của website đồng thời luôn di chuyển theo thanh trượt.

Nhãn: Đồng hồ kim chạy theo thanh trượt

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JavaScript
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<script language="JavaScript">

//Analog clock script- By Kurt (kurt.grigg@virgin.net)

fCol='444444'; //face colour.
sCol='FF0000'; //seconds colour.
mCol='444444'; //minutes colour.
hCol='444444'; //hours colour.

Ybase=30; //Clock height.
Xbase=30; //Clock width.


H='...';
H=H.split('');
M='....';
M=M.split('');
S='.....';
S=S.split('');
NS4=(document.layers);
NS6=(document.getElementById&&!document.all);
IE4=(document.all);
Ypos=0;
Xpos=0;
dots=12;
Split=360/dots;
if (NS6){
for (i=1; i < dots+1; i++){
document.write('<div id="n6Digits'+i+'" style="position:absolute;top:0px;left:0px;width:30px;height:30px;font-family:Arial;font-size:10px;color:#'+fCol+';text-align:center;padding-top:10px">'+i+'</div>');
}
for (i=0; i < M.length; i++){
document.write('<div id="Ny'+i+'" style="position:absolute;top:0px;left:0px;width:2px;height:2px;font-size:2px;background:#'+mCol+'"></div>');
}
for (i=0; i < H.length; i++){
document.write('<div id="Nz'+i+'" style="position:absolute;top:0px;left:0px;width:2px;height:2px;font-size:2px;background:#'+hCol+'"></div>');
}
for (i=0; i < S.length; i++){
document.write('<div id="Nx'+i+'" style="position:absolute;top:0px;left:0px;width:2px;height:2px;font-size:2px;background:#'+sCol+'"></div>');
}
}
if (NS4){
dgts='1 2 3 4 5 6 7 8 9 10 11 12';
dgts=dgts.split(' ')
for (i=0; i < dots; i++){
document.write('<layer name=nsDigits'+i+' top=0 left=0 height=30 width=30><center><font face=Arial size=1 color='+fCol+'>'+dgts[i]+'</font></center></layer>');
}
for (i=0; i < M.length; i++){
document.write('<layer name=ny'+i+' top=0 left=0 bgcolor='+mCol+' clip="0,0,2,2"></layer>');
}
for (i=0; i < H.length; i++){
document.write('<layer name=nz'+i+' top=0 left=0 bgcolor='+hCol+' clip="0,0,2,2"></layer>');
}
for (i=0; i < S.length; i++){
document.write('<layer name=nx'+i+' top=0 left=0 bgcolor='+sCol+' clip="0,0,2,2"></layer>');
}
}
if (IE4){
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i=1; i < dots+1; i++){
document.write('<div id="ieDigits" style="position:absolute;top:0px;left:0px;width:30px;height:30px;font-family:Arial;font-size:10px;color:'+fCol+';text-align:center;padding-top:10px">'+i+'</div>');
}
document.write('</div></div>')
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i=0; i < M.length; i++){
document.write('<div id=y style="position:absolute;width:2px;height:2px;font-size:2px;background:'+mCol+'"></div>');
}
document.write('</div></div>')
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i=0; i < H.length; i++){
document.write('<div id=z style="position:absolute;width:2px;height:2px;font-size:2px;background:'+hCol+'"></div>');
}
document.write('</div></div>')
document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
for (i=0; i < S.length; i++){
document.write('<div id=x style="position:absolute;width:2px;height:2px;font-size:2px;background:'+sCol+'"></div>');
}
document.write('</div></div>')
}



function clock(){
time = new Date ();
secs = time.getSeconds();
sec = -1.57 + Math.PI * secs/30;
mins = time.getMinutes();
min = -1.57 + Math.PI * mins/30;
hr = time.getHours();
hrs = -1.57 + Math.PI * hr/6 + Math.PI*parseInt(time.getMinutes())/360;

if (NS6){
Ypos=window.pageYOffset+window.innerHeight-Ybase-25;
Xpos=window.pageXOffset+window.innerWidth-Xbase-30;
for (i=1; i < dots+1; i++){
 document.getElementById("n6Digits"+i).style.top=Ypos-15+Ybase*Math.sin(-1.56 +i *Split*Math.PI/180)
 document.getElementById("n6Digits"+i).style.left=Xpos-15+Xbase*Math.cos(-1.56 +i*Split*Math.PI/180)
 }
for (i=0; i < S.length; i++){
 document.getElementById("Nx"+i).style.top=Ypos+i*Ybase/4.1*Math.sin(sec);
 document.getElementById("Nx"+i).style.left=Xpos+i*Xbase/4.1*Math.cos(sec);
 }
for (i=0; i < M.length; i++){
 document.getElementById("Ny"+i).style.top=Ypos+i*Ybase/4.1*Math.sin(min);
 document.getElementById("Ny"+i).style.left=Xpos+i*Xbase/4.1*Math.cos(min);
 }
for (i=0; i < H.length; i++){
 document.getElementById("Nz"+i).style.top=Ypos+i*Ybase/4.1*Math.sin(hrs);
 document.getElementById("Nz"+i).style.left=Xpos+i*Xbase/4.1*Math.cos(hrs);
 }
}
if (NS4){
Ypos=window.pageYOffset+window.innerHeight-Ybase-20;
Xpos=window.pageXOffset+window.innerWidth-Xbase-30;
for (i=0; i < dots; ++i){
 document.layers["nsDigits"+i].top=Ypos-5+Ybase*Math.sin(-1.045 +i*Split*Math.PI/180)
 document.layers["nsDigits"+i].left=Xpos-15+Xbase*Math.cos(-1.045 +i*Split*Math.PI/180)
 }
for (i=0; i < S.length; i++){
 document.layers["nx"+i].top=Ypos+i*Ybase/4.1*Math.sin(sec);
 document.layers["nx"+i].left=Xpos+i*Xbase/4.1*Math.cos(sec);
 }
for (i=0; i < M.length; i++){
 document.layers["ny"+i].top=Ypos+i*Ybase/4.1*Math.sin(min);
 document.layers["ny"+i].left=Xpos+i*Xbase/4.1*Math.cos(min);
 }
for (i=0; i < H.length; i++){
 document.layers["nz"+i].top=Ypos+i*Ybase/4.1*Math.sin(hrs);
 document.layers["nz"+i].left=Xpos+i*Xbase/4.1*Math.cos(hrs);
 }
}

if (IE4){
Ypos=document.body.scrollTop+window.document.body.clientHeight-Ybase-20;
Xpos=document.body.scrollLeft+window.document.body.clientWidth-Xbase-20;
for (i=0; i < dots; ++i){
 ieDigits[i].style.pixelTop=Ypos-15+Ybase*Math.sin(-1.045 +i *Split*Math.PI/180)
 ieDigits[i].style.pixelLeft=Xpos-15+Xbase*Math.cos(-1.045 +i *Split*Math.PI/180)
 }
for (i=0; i < S.length; i++){
 x[i].style.pixelTop =Ypos+i*Ybase/4.1*Math.sin(sec);
 x[i].style.pixelLeft=Xpos+i*Xbase/4.1*Math.cos(sec);
 }
for (i=0; i < M.length; i++){
 y[i].style.pixelTop =Ypos+i*Ybase/4.1*Math.sin(min);
 y[i].style.pixelLeft=Xpos+i*Xbase/4.1*Math.cos(min);
 }
for (i=0; i < H.length; i++){
 z[i].style.pixelTop =Ypos+i*Ybase/4.1*Math.sin(hrs);
 z[i].style.pixelLeft=Xpos+i*Xbase/4.1*Math.cos(hrs);
 }
}
setTimeout('clock()',100);
}
clock();
//-->
</script>
	<!--
    	This script downloaded from www.JavaScriptBank.com
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	-->