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timer.js
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timer.js
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var interval;
var startCounting = false;
var seconds = 0;
var minutes = 0;
var hours = 0;
var secondString;
var minuteString;
var hourString;
//when called, starts the timer
function startTimer() {
startCounting = true;
interval = setInterval(runTimer, 1000);
}
//block of code called by interval
function runTimer() {
if (startCounting == true) {
seconds = seconds + 1;
if (seconds > 59) {
minutes = minutes + 1;
seconds = 0;
}
if (minutes > 59) {
hours = hours + 1;
minutes = 0;
}
secondString = String(seconds);
minuteString = String(minutes);
hourString = String(hours);
if (seconds < 10) {
secondString = '0' + String(seconds);
}
if (minutes < 10) {
minuteString = '0' + String(minutes);
}
if (hours < 10) {
hourString = '0' + String(hours);
}
document.getElementById('timerP').innerHTML = 'Timer: ' + hourString + ':' + minuteString + ':' + secondString;
}
}
//when called, stops timer
function stopTimer(callReset) {
clearInterval(interval);
if (callReset == true) {
resetTimer();
} else {
console.log('no');
}
}
//when called, resets timer to 00:00:00
function resetTimer() {
seconds = 0;
minutes = 0;
hours = 0;
secondString = '00';
minuteString = '00';
hourString = '00';
document.getElementById('timerP').innerHTML = 'Timer: ' + hourString + ':' + minuteString + ':' + secondString;
}