Code Explanation

quiz4

//Using while
/**
* Quiz: Using comments describe what the functionbwlow does. Describe each line in the function 
*Submit your answer before the end of the today
*@function  REVERSE_STRING
*@param {string} string 
*@loop - while
*@param {string} name 
*@param {string} lastPosition
*@param {string} reversedString 
*@param {string} SPLIT_STRING_BY_INTO_LETTERS
*@param {string}  nameReversed
*
*/

const REVERSE_STRING = (string) =>{  //Arrow function inittalization with a parameter called string
      if (string == "" || string == null || string == 0) return string; //Returns  the value or input passed to the string parameter through checking the   

      const SPLIT_STRING_BY_INTO_LETTERS = string.split(""); //Returns an array of character splitted into chunks 

      let lastPosition = SPLIT_STRING_BY_INTO_LETTERS.length - 1; // returns the number of characters in a string and substracts one  assigning the result to lastPosition

      let reversedString = "";  //inittalization of the string


      while(lastPosition >= 0){ // condition executes if the value of lastPosition is greater or  equal to zero;
        reversedString += SPLIT_STRING_BY_INTO_LETTERS[lastPosition]; //concatinating of the 
        lastPosition--; //subtract one from the value passed to the lastPosition
      }

      return reversedString; // returns "" if the while loop is not exactude      
}

let name = "Wampamba";
let nameReversed = REVERSE_STRING(name); //assigning the name identifier to the function
console.log(nameReversed);