Issue
i have no idea how to save and show out put next to stopwatch:
00:01:30 , 00:01:30 something like this. its not important but can i make stopwatch to stop on some time like 45 min
i created a button "save" was playing whit code but i have no idea how to make it save output and show
i was trying to find in internet but could not find I appreciate any help.
var ss = document.getElementsByClassName('stopwatch');
[].forEach.call(ss, function(s) {
var currentTimer = 0,
interval = 0,
lastUpdateTime = new Date().getTime(),
start = s.querySelector('button.start'),
stop = s.querySelector('button.stop'),
reset = s.querySelector('button.reset'),
mins = s.querySelector('span.minutes'),
secs = s.querySelector('span.seconds'),
cents = s.querySelector('span.centiseconds');
start.addEventListener('click', startTimer);
stop.addEventListener('click', stopTimer);
reset.addEventListener('click', resetTimer);
function pad(n) {
return ('00' + n).substr(-2);
}
function update() {
var now = new Date().getTime(),
dt = now - lastUpdateTime;
currentTimer += dt;
var time = new Date(currentTimer);
mins.innerHTML = pad(time.getMinutes());
secs.innerHTML = pad(time.getSeconds());
cents.innerHTML = pad(Math.floor(time.getMilliseconds() / 10));
lastUpdateTime = now;
}
function startTimer() {
if (!interval) {
lastUpdateTime = new Date().getTime();
interval = setInterval(update, 1);
}
}
function stopTimer() {
clearInterval(interval);
interval = 0;
}
function resetTimer() {
stopTimer();
currentTimer = 0;
mins.innerHTML = secs.innerHTML = cents.innerHTML = pad(0);
}
});
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Stopwatch</title>
</head>
<body>
<h1>Stopwatch</h1>
<div class="stopwatch">
<div class="controls">
<button class="start">Start</button>
<button class="stop">Stop</button>
<button class="reset">Reset</button>
<button class="save">save</button>
</div>
<div class="display">
<span class="minutes">00</span>:<span class="seconds">00</span>:<span class="centiseconds">00</span>
</div>
</div>
<script src="stopwatch.js"></script>
</body>
</html>
Solution
if i correct understand - here is solution. You still need some validations on input fields, checks on current timer and ithers, but it's worked version if user takes into account all these nuances himself.
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Stopwatch</title>
</head>
<body>
<h1>Stopwatch</h1>
<div class="stopwatch">
<div class="controls">
<button class="start">Start</button>
<button class="stop">Stop</button>
<button class="reset">Reset</button>
||stop on:
<input class="min" placeholder="min" type="text" style="width: 30px" />:
<input class="sec" placeholder="sec" type="text" style="width: 30px" />:
<input class="ms" placeholder="ms" type="text" style="width: 30px" />
<button class="save">save</button>
<div class="savedTimeBlock" style="display: none">
saved time:
<div style="display: inline-block" class="time"></div>
</div>
</div>
<div class="display">
<span class="minutes">00</span>:<span class="seconds">00</span>:<span
class="centiseconds"
>00</span
>
</div>
</div>
<script src="stopwatch.js"></script>
</body>
</html>
stopwatch.js
var ss = document.getElementsByClassName("stopwatch");
[].forEach.call(ss, function(s) {
var currentTimer = 0,
interval = 0,
lastUpdateTime = new Date().getTime(),
timeToStop = {
min:null,
sec:null,
ms:null
},
start = s.querySelector("button.start"),
stop = s.querySelector("button.stop"),
reset = s.querySelector("button.reset"),
mins = s.querySelector("span.minutes"),
secs = s.querySelector("span.seconds"),
cents = s.querySelector("span.centiseconds"),
minutes = s.querySelector(".min"),
seconds = s.querySelector(".sec"),
milliseconds = s.querySelector(".ms"),
savedTimeBlock = s.querySelector(".savedTimeBlock"),
time = s.querySelector(".time"),
save = s.querySelector(".save");
start.addEventListener("click", startTimer);
stop.addEventListener("click", stopTimer);
save.addEventListener("click", saveStopTime);
reset.addEventListener("click", resetTimer);
function pad(n) {
return ("00" + n).substr(-2);
}
function saveStopTime() {
let min = timeToStop.min = pad(+minutes.value),
sec = timeToStop.sec = pad(+seconds.value),
ms = timeToStop.ms = pad(+milliseconds.value);
if (+min || +sec || +ms) {
showSavedTimeBlock(min, sec, ms)
} else {
killSavedTimeBlock()
}
}
const showSavedTimeBlock = (min, sec, ms) => {
savedTimeBlock.style.display = 'inline-block';
time.innerText = `${min}:${sec}:${ms}:`
};
const killSavedTimeBlock = () => {
savedTimeBlock.style.display = 'none';
timeToStop.min = null;
timeToStop.sec = null;
timeToStop.ms = null;
time.innerText = ''
};
function update() {
var now = new Date().getTime(),
dt = now - lastUpdateTime;
currentTimer += dt;
var time = new Date(currentTimer);
let min = pad(time.getMinutes());
let sec = pad(time.getSeconds());
let ms = pad(Math.floor(time.getMilliseconds() / 10));
mins.innerHTML = min;
secs.innerHTML = sec;
cents.innerHTML = ms;
let ts = timeToStop;
if (ts.min === min && ts.sec === sec && ts.ms === ms) {
stopTimer()
} else {
lastUpdateTime = now;
}
}
function startTimer() {
if (!interval) {
lastUpdateTime = new Date().getTime();
interval = setInterval(update, 1);
}
}
function stopTimer() {
clearInterval(interval);
interval = 0;
}
function resetTimer() {
stopTimer();
killSavedTimeBlock()
currentTimer = 0;
mins.innerHTML = secs.innerHTML = cents.innerHTML = pad(0);
}
});
Answered By - Александр Чернобай Answer Checked By - Timothy Miller (PHPFixing Admin)
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