Stopwatch com JavaScript
var x;
var startstop = 0;
function startStop() { /* Toggle StartStop */
startstop = startstop + 1;
if (startstop === 1) {
start();
document.getElementById("start").innerHTML = "Stop";
} else if (startstop === 2) {
document.getElementById("start").innerHTML = "Start";
startstop = 0;
stop();
}
}
function start() {
x = setInterval(timer, 10);
} /* Start */
function stop() {
clearInterval(x);
} /* Stop */
var milisec = 0;
var sec = 0; /* holds incrementing value */
var min = 0;
var hour = 0;
/* Contains and outputs returned value of function checkTime */
var miliSecOut = 0;
var secOut = 0;
var minOut = 0;
var hourOut = 0;
/* Output variable End */
function timer() {
/* Main Timer */
miliSecOut = checkTime(milisec);
secOut = checkTime(sec);
minOut = checkTime(min);
hourOut = checkTime(hour);
milisec = ++milisec;
if (milisec === 100) {
milisec = 0;
sec = ++sec;
}
if (sec == 60) {
min = ++min;
sec = 0;
}
if (min == 60) {
min = 0;
hour = ++hour;
}
document.getElementById("milisec").innerHTML = miliSecOut;
document.getElementById("sec").innerHTML = secOut;
document.getElementById("min").innerHTML = minOut;
document.getElementById("hour").innerHTML = hourOut;
}
/* Adds 0 when value is <10 */
function checkTime(i) {
if (i < 10) {
i = "0" + i;
}
return i;
}
function reset() {
/*Reset*/
milisec = 0;
sec = 0;
min = 0
hour = 0;
document.getElementById("milisec").innerHTML = "00";
document.getElementById("sec").innerHTML = "00";
document.getElementById("min").innerHTML = "00";
document.getElementById("hour").innerHTML = "00";
}
Shiv_ka_ansh