masautt

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

console.log(checkPalindrome("Marek")); // --> false
console.log(checkPalindrome("kayak")); // --> true

// https://stackoverflow.com/questions/14813369/palindrome-check-in-javascript

masautt

function firstNonRepeat(string) {
    return string.split('').filter(function (character, index, obj) {
        return obj.indexOf(character) === obj.lastIndexOf(character);
    }).shift();
}

console.log(firstNonRepeat("----Marek-----")); // --> "M"

masautt

function reverseWords(str) {
        var result = "";
        var wordArray = str.split(" ");
        for(var i = wordArray.length - 1; i >= 0; i--) {
            result += wordArray[i] + " ";
        }
        return result.trim();
}

console.log(reverseWords("Marek E. Sautter")); // --> "Sautter E. Marek"

masautt

function getAllPermutations(string) {
  var results = [];

  if (string.length === 1) {
    results.push(string);
    return results;
  }

  for (var i = 0; i < string.length; i++) {
    var firstChar = string[i];

masautt

function maxChar(myStr) {
  let charObj = {};
  return [...myStr].reduce((_, char) => {
    if (char in charObj) charObj[char]++;
    else if (char !== " ") charObj[char] = 1;
    return Object.keys(charObj).reduce((a, b) => {
      return charObj[a] > charObj[b] ? a : b;
    });
  });
}

masautt

function isLowerCase(str) {
    return str === str.toLowerCase();
}

let fname = "Marek";
let lname = "sautter";

console.log(isLowerCase(fname)); // --> false
console.log(isLowerCase(lname)); // --> true

masautt

function isUpperCase(str) {
    return str === str.toUpperCase();
}

let fname = "Marek";
let lname = "SAUTTER";

console.log(isUpperCase(fname)); // --> false
console.log(isUpperCase(lname)); // --> true

masautt

let str = "marek";

console.log(str.split("").reverse().join("")); // --> "keram"

// Takes string, splits into char array, reverses array, then joins back to string

masautt

let arr = [1,2,3,4,5]

console.log(arr.reverse()); //--> [5,4,3,2,1]

// Performs on original array
console.log(arr); // --> [5,4,3,2,1]

masautt

const removeVowels = (str) => {
  return str.replace(/[aeiou]/gi, '');
}

//https://stackoverflow.com/questions/13829289/javascript-strip-vowels