js simple countdowntiumer code example

Example 1: add countdown timer to javascript quiz

var count = 15;
var interval = setInterval(function(){
  document.getElementById('count').innerHTML=count;
  count--;
  if (count === 0){
    clearInterval(interval);
    document.getElementById('count').innerHTML='Done';
    // or...
    alert("You're out of time!");
  }
}, 1000);

Example 2: countdown in js

<body>
    <div>Registration closes in <span id="time">05:00</span> minutes!</div>
</body>

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Javascript Example

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