nrandecker

{"lastUpload":"2018-08-16T21:40:14.055Z","extensionVersion":"v3.0.0"}

nrandecker

function convertToRoman(num) {
  var roman = "";
 
   var decimals = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1],
        romanNumerals = ['M', 'CM', 'D', 'CD', 'C', 'XC', 'L', 'XL', 'X', 'IX', 'V', 'IV', 'I'];
        
  decimals.map((number, i) => {
    while(num >= number) {
      roman += romanNumerals[i];
      num -= number;

nrandecker

function convertToRoman(num) {
 var roman = "";
 
 while(num !== 0) {
   if(num < 4) {
     roman += "I";
     num--;
   } else if(num === 4) {
     roman += "IV";
     num-= 4;

nrandecker

function reverseString(str) {
  return Array.prototype.reduce.call(str, function(result, c) {
    return c + result;
  }, "");
}

reverseString("hello");

nrandecker

function reverseString(str) {
  var reversed = '';
  
  for(var i = str.length - 1; i >= 0; i--) {
    reversed += str[i];
  }
  
  return reversed;
}

nrandecker

function reverseString(str) {
  return str.split('').reverse().join('');
}

reverseString("hello");

nrandecker

function reverseString(str) {
  var split = str.split('') // splits the string into an array
  // ["h", "e", "l", "l", "o"]
  
  var reverse = split.reverse() // reverses the array in place
  // ["o", "l", "l", "e", "h"]
  
  var join = reverse.join('') // joins all elements together into a string
  // "olleh"