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JavaScript: Convert a Unix timestamp to time

JavaScript Datetime: Exercise-17 with Solution

Write a JavaScript function to convert a Unix timestamp to time.

Test Data:
console.log(Unix_timestamp(1412743274));
10:11:14

Sample Solution:-

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JavaScript function to convert a Unix timestamp to time.</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function Unix_timestamp(t)
{
var dt = new Date(t*1000);
var hr = dt.getHours();
var m = "0" + dt.getMinutes();
var s = "0" + dt.getSeconds();
return hr+ ':' + m.substr(-2) + ':' + s.substr(-2);  
}

console.log(Unix_timestamp(1412743274));

Sample Output:

10:11:14

Flowchart:

Flowchart: JavaScript- Convert a Unix timestamp to time

Live Demo:

See the Pen JavaScript - Convert a Unix timestamp to time-date-ex- 17 by w3resource (@w3resource) on CodePen.


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Next: Write a JavaScript program to calculate age.

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JavaScript: Tips of the Day

Converts the given array elements into <li> tags and appends them to the list of the given id.

Example:

const tips_arrayToHtmlList = (arr, listID) =>(el => ((el = document.querySelector('#' + listID)),(el += arr.map(item => '<li>${item}</li>').join(''))))();
console.log(tips_arrayToHtmlList(['item 1', 'item 2'], 'myListID'));

Output:

"null
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  • "