How To Reverse A Number In Javascript Basedash In javascript, this is typically achieved by converting the number to a string, reversing the characters, and converting it back to a number, offering efficient manipulation. there are several methods that can be used to reverse the numbers by using javascript, which is listed below:. Below is my source code to reverse (as in a mirror) the given number. i need to reverse the number using the reverse method of arrays. Prev Next 1 of 15