How to get the number of days between two dates in JavaScript?

Posted by Prem Tiwari | Updated on

Want to get the number of days between two dates in JavaScript? Here is a quick and dirty implementation of datediff, as a proof of concept to solve the problem as presented in the question. It relies on the fact that you can get the elapsed milliseconds between two dates by subtracting them, which coerces them into their primitive number value (milliseconds since the start of 1970).


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