Answers for "how to create a timer in javascript"

15

timer in javascript

//single event i.e. alarm, time in milliseconds
var timeout = setTimeout(function(){yourFunction()},10000);
//repeated events, gap in milliseconds
var interval = setInterval(function(){yourFunction()},1000);
Posted by: Guest on February-21-2020
8

html timer

<!DOCTYPE HTML>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
p {
  text-align: center;
  font-size: 60px;
  margin-top: 0px;
}
</style>
</head>
<body>

<p id="demo"></p>

<script>
// Set the date we're counting down to
var countDownDate = new Date("Jan 5, 2021 15:37:25").getTime();

// Update the count down every 1 second
var x = setInterval(function() {

  // Get today's date and time
  var now = new Date().getTime();
    
  // Find the distance between now and the count down date
  var distance = countDownDate - now;
    
  // Time calculations for days, hours, minutes and seconds
  var 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>
Posted by: Guest on February-17-2020
0

javascript date countdown

<!-- Display the countdown timer in an element -->
<p id="demo"></p>

<script>
// Set the date we're counting down to
var countDownDate = new Date("Jan 5, 2021 15:37:25").getTime();

// Update the count down every 1 second
var x = setInterval(function() {

  // Get today's date and time
  var now = new Date().getTime();

  // Find the distance between now and the count down date
  var distance = countDownDate - now;

  // Time calculations for days, hours, minutes and seconds
  var 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);

  // Display the result in the element with id="demo"
  document.getElementById("demo").innerHTML = days + "d " + hours + "h "
  + minutes + "m " + seconds + "s ";

  // If the count down is finished, write some text
  if (distance < 0) {
    clearInterval(x);
    document.getElementById("demo").innerHTML = "EXPIRED";
  }
}, 1000);
</script>
Posted by: Guest on November-06-2020
0

javascript countdown timer including days

var countDownDate = new Date("Jul 25, 2021 16:37:52").getTime();

var myfunc = setInterval(function() {
    var now = new Date().getTime();
    var timeleft = countDownDate - now;
        
    var days = Math.floor(timeleft / (1000 * 60 * 60 * 24));
    var hours = Math.floor((timeleft % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
    var minutes = Math.floor((timeleft % (1000 * 60 * 60)) / (1000 * 60));
    var seconds = Math.floor((timeleft % (1000 * 60)) / 1000);
    
    }, 1000)
Posted by: Guest on September-02-2020
0

How to make a timer in javascript

// this example takes 2 seconds to run
const start = Date.now();

// After a certain amount of time, run this to see how much time passed.
const milliseconds = Date.now() - start;

console.log('Seconds passed = ' + millis / 1000);
// Seconds passed = *Time passed*
Posted by: Guest on January-17-2021
0

working of timers in javascript

Timers are used to execute a piece of code at a set time or also to repeat the code in a given interval of time. 
This is done by using the functions 
1. setTimeout
2. setInterval
3. clearInterval

The setTimeout(function, delay) function is used to start a timer that calls a particular function after the mentioned delay. 
The setInterval(function, delay) function is used to repeatedly execute the given function in the mentioned delay and only halts when cancelled. 
The clearInterval(id) function instructs the timer to stop.
Posted by: Guest on June-07-2020

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