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script.js
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var hr=0;
var min=0;
var sec=0;
var count=0;
var timer=false;
function start(){
timer=true;
stopwatch();
}
function stop(){
timer=false;
}
function reset(){
timer=false;
hr=0;
min=0;
sec=0;
count=0;
document.getElementById("hr").innerHTML="00";
document.getElementById("min").innerHTML="00";
document.getElementById("sec").innerHTML="00";
document.getElementById("count").innerHTML="00";
}
function stopwatch(){
if(timer==true){
count=count+1;
if(count==100){
sec=sec+1;
count=0;
}
if(sec==60){
min=min+1;
sec=0;
}
if(min==60){
hr=hr+1;
min=0;
sec=0;
}
var hrString=hr
var minString=min;
var secString=sec;
var countString=count;
if(hr<10){
hrString="0"+hrString;
}
if(min<10){
minString="0"+minString;
}
if(sec<10){
secString="0"+secString;
}
if(count<10){
countString="0"+countString;
}
document.getElementById("hr").innerHTML=hrString;
document.getElementById("min").innerHTML=minString;
document.getElementById("sec").innerHTML=secString;
document.getElementById("count").innerHTML=countString;
setTimeout("stopwatch()",10)
}
}