luckylionheart

—– BEGIN LICENSE —–
Mifeng User
Single User License
EA7E-1184812
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1C25BE4D 25B1C4CC 5110C20E 5246CC42
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luckylionheart

function reverseInteger(input) {
  let number = Math.abs(input); // holds a new copy of the absolute value of the input integer
  let result = 0; // creates a result variable to hold the aggrigate of our while loop
  
  while (number > 0) { // while the number is greater than 0 (simplified way of saying less than or equal to 1)
    const lastDigit = number % 10; // each iteration runs modulo 10 on the number variable giving us the last digit
    result = result * 10 + lastDigit; // sets result equal to itself multiplied by 10 plus the last digit 
    number = Math.floor(number / 10); // removes the last number for the next iteration
  }