how to add a timer to javascript code example

Example 1: 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);

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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