text: const firstName = 'William';
  const lastName = 'Johnson';
  const age = 37;
  const str = 'Hello there my name is Kyle';
  const tags = 'Web design, Web development, Programming'
  
  // console.log(firstName, lastName);
  
  let val;
  
  val = firstName + lastName;
  
  // Appending (using +=)
  val = 'Kyle ';
  val += 'Denman';
  
  // Concatenation
  val = firstName + ' ' + lastName;
  
  val = 'Hello, my name is ' + firstName + ' and I am ' + age;
  
  // Escaping (using [\] instead of single and double quotes to continue a string)
  val = 'That\'s awesome, I can\'t wait!';
  
  // .length
  val = firstName.length;
  
  // .concat
  val = firstName.concat(' ', lastName);
  
  // Change case
  val = firstName.toLowerCase();
  val = firstName.toUpperCase();
  
  val = firstName[1];
  
  // indexOf()
  val = firstName.indexOf('l'); // finds first occurence of the letter "l"
  val = firstName.lastIndexOf('l'); // finds the last occurence of the duplcate letter "l"
  
  // charAt()
  val = firstName.charAt('2');
  
  // Get last character
  val = firstName.charAt(firstName.length -1);
  
  // substring()
  val = firstName.substring(0, 4);
  
  // slice()
  val = firstName.slice(0, 4);
  val = firstName.slice(-3);
  
  // split()
  val = str.split(' ');
  val = tags.split(', ');
  
  // replace()
  val = str.replace('Kyle', 'Brad');
  
  // includes()
  val = str.includes('Hello');
  
  console.log(val);