AdrianSkar

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AdrianSkar

// Using a while loop
function factorialize(num) {
  if (num == 0){
    return 1;
  }
  
  var result = 1;
  
  while (num>0){
    result *= num;

AdrianSkar

//  Using a for loop and reduce(); not the simplest solution but succesful first attempt.
function factorialize(num) {
  if (num == 0){
    return 1;
  }
  
  var arr = [];
  for (i=num; i>0; i--){
    arr.push(i);
  }

AdrianSkar

//Requirements: lowercase, non-alphanumeric chars + no underscores

function palindrome(str) {
  
  str = str.toLowerCase();
  
  str = str.replace(/\W/g, ""); //Remove all non-alphanumeric chars
  
  str = str.replace(/_/g, ""); //Remove all underscore chars
  

AdrianSkar

function findLongestWord(str) {
	
//Split input by spaces
  var a = str.split(" "); // Use /\W|_/ instead to match non alphanumeric or underscore chars
	
//New array for lengths 
  var b = []; 	// c=""; for later returning which one (not needed for this exercise)											
  
 for (i=a.length-1; i>=0 ; i--){

AdrianSkar

function titleCase(str) {
  var a = str.split(' '), word=[]; //Split input and create new array var
  
  for (i=a.length-1; i>=0; i--){
  	a[i] = a[i].toLowerCase();   //Lowercase everything
  	word[i] = a[i].charAt(0).toUpperCase() + a[i].substr(1,a[i].length-1); /*Uppercase just the first char on every word and put the rest of the word after it.
    a[i].length-1 is optional according to MDN and will extract characters to the end of the string too*/
  }
  
  return word.join(" "); //Join and return new string

AdrianSkar

function largestOfFour(arr) {
  
  for (i=arr.length-1; i>=0; i--){
  	arr[i] = Math.max.apply(null, arr[i]); // I was thinking on doing it with max and reduce buy this looks cleaner
    // Using ES6's spread operator:   arr[i] = Math.max(...arr[i]);
  }
  return arr;
}

largestOfFour([[4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 857, 1]]);

AdrianSkar

function confirmEnding(str, target) {

  return str.substr(-target.length) === target;
  
  // With the substring() method: return str.substring(str.length - target.length) === target;
  
  // Using the endsWith() method: return str.endsWith(target);
}

AdrianSkar

function repeatStringNumTimes(str, num) {
	
  if (num < 0){return "";}
  var res="";
  for (i=num; i>0; i--){
		res+=str;
	}
	return res;
	//Using recursion: return str + repeatStringNumTimes(str, num-1);
}

AdrianSkar

function truncateString(str, num) {
  if (num <= 3) {
    return str.substr(0, num) + '...';
  }
  if (num >= str.length) {
    return str;
  }
  return str.substr(0, num - 3) + '...';
}