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How to reverse a Binary String in Javascript?

Write a function that takes an integer n, reverses the binary representation of that integer, and returns the new integer from the reversed binary.

1 Answer
Mohammad Qandeel

Using the parseInt(num, flag) function that receives the text and the type you want to convert to, you can get it

function reversedBinaryInteger(num) {
 return parseInt(num.toString(2).split('').reverse().join(''), 2);

reversedBinaryInteger(13) // 11  => the binary representation of 13 is 1101, and reversing it gives 1011, which corresponds to number 11

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