Posterior a de esta prolongada compilación de información dimos con la solución esta problema que pueden tener muchos los usuarios. Te dejamos la respuesta y deseamos que sea de gran ayuda.
Ejemplo 1: tiempo de recuento de JavaScript
// The getTime() method returns the number of milliseconds since midnight of January 1, 1970.
var start = new Date().getTime();
for (i = 0; i < 50000; ++i)
// do something
var end = new Date().getTime();
var time = end - start;
alert('Execution time: ' + time);Ejemplo 2: temporizador html
DOCTYPEHTML><html><head><metaname="viewport"content="width=device-width, initial-scale=1"><style>ptext-align: center;font-size:60px;margin-top:0px;style>head><body><pid="demo">p><script>// Set the date we're counting down tovar countDownDate =newDate("Jan 5, 2021 15:37:25").getTime();// Update the count down every 1 secondvar x =setInterval(function()// Get today's date and timevar now =newDate().getTime();// Find the distance between now and the count down datevar distance = countDownDate - now;// Time calculations for days, hours, minutes and secondsvar days =Math.floor(distance /(1000*60*60*24));var hours =Math.floor((distance %(1000*60*60*24))/(1000*60*60));var minutes =Math.floor((distance %(1000*60*60))/(1000*60));var seconds =Math.floor((distance %(1000*60))/1000);// Output the result in an element with id="demo"document.getElementById("demo").innerHTML= days +"d "+ hours +"h "+ minutes +"m "+ seconds +"s ";// If the count down is over, write some text if(distance <0)clearInterval(x);document.getElementById("demo").innerHTML="EXPIRED";,1000);script>body>html>Ejemplo 3: cronómetro con 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";
Ejemplo 4: cronómetro con javascript
<h1><spanid="hour">00span> :
<spanid="min">00span> :
<spanid="sec">00span> :
<spanid="milisec">00span>h1><buttononclick="startStop()"id="start">Startbutton><buttononclick="reset()">Resetbutton>Reseñas y valoraciones
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