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JavaScript: Get time differences in days between two dates

JavaScript Datetime: Exercise-46 with Solution

Write a JavaScript function to get time differences in days between two dates.

Test Data:
dt1 = new Date("October 13, 2014 08:11:00");
dt2 = new Date("October 19, 2014 11:13:00");
console.log(diff_days(dt1, dt2));
6

Sample Solution:-

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JavaScript function to get time differences in days between two dates</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function diff_days(dt2, dt1) 
 {

  var diff =(dt2.getTime() - dt1.getTime()) / 1000;
  diff /= (60 * 60 * 24);
  return Math.abs(Math.round(diff));
  
 }

dt1 = new Date(2014,10,2);
dt2 = new Date(2014,10,6);
console.log(diff_days(dt1, dt2));

dt1 = new Date("October 13, 2014 08:11:00");
dt2 = new Date("October 19, 2014 11:13:00");
console.log(diff_days(dt1, dt2));

Sample Output:

4
6

Flowchart:

Flowchart: JavaScript- Get time differences in days between two dates

Live Demo:

See the Pen JavaScript - Get time differences in days between two dates-date-ex-46 by w3resource (@w3resource) on CodePen.


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Previous: Write a JavaScript function to get time differences in hours between two dates.
Next: Write a JavaScript function to get time differences in weeks between two dates.

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JavaScript: Tips of the Day

Convert tabs to spaces, where each tab corresponds to count spaces

Example:

const tips_expandTabs = (str, count) => str.replace(/\t/g, ' '.repeat(count));
console.log(tips_expandTabs('\t\tw3resource', 4)); 

Output:

"        w3resource"