How to reverse a number using javascript program is the Ans

The reversed number is 5786

Reversing 5786. check js
function reverse_a_number(n) { n = n + ""; return n.split("").reverse().join(""); } document.write(reverse_a_number(5786));

Explained Changing 5786 to 6875

Their three main steps involved in reversing a number.

turn the number into a string
reverse the number
join the formed array

split()method is used to split a String object into an array of strings by separating the string into substrings. Code : console.log('5786'.split("")); Output : ["5", "7", "8", "6"]

The reverse() method is used to reverse an array in place. The first array element becomes the last and the last becomes the first. Code : console.log(["5", "7", "8", "6"].reverse()); Output : ["6", "8", "7", "5"]

The join() method is used to join all elements of an array into a string. Code : console.log(["5", "7", "8", "6"].reverse().join("")); Output : "6875"