Best books about Javasript
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JavaScript Simple Clock
 See
the following javascript simple clock.
 How
to do it?
Javascript uses timer to dynamically update the text in the text
field. Copy the following javascript to <head> section
<SCRIPT>
var tick;
function stop() {
clearTimeout(tick);
}
function simpleClock() {
var ut=new Date();
var h,m,s;
var time=" ";
h=ut.getHours();
m=ut.getMinutes();
s=ut.getSeconds();
if(s<=9) s="0"+s;
if(m<=9) m="0"+m;
if(h<=9) h="0"+h;
time+=h+":"+m+":"+s;
document.sclock.stime.value=time;
tick=setTimeout("simpleClock()",1000);
}
</SCRIPT>
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Add onLoad="simpleClock();" onUnload="stop();" to
<body> tag.
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