var myStr = "hello" console.log(typeof myStr === "string") //=> true
buildSentence that takes three words (strings) and adds them together and console.logs the whole sentence (string) complete with capitalization
lastLetter that takes a word (string) and console.logs the last character/letter of that word.
buildGreeting that takes a time (integer) and a name (string) and print a greeting based on the following rules:
indexOf is a function that you can call on a string (string1) and accepts another string (string2) as an argument.
letterExists that takes a word (string) and a character (string), and console.logs whether that letter can be found inside that word.
isPrime that console.logs a boolean indicating if `number` is prime or not.
range that console.logs all numbers between 'start' and 'end' in sequential order.
myIndexOf that takes an array and an element and console.logs the index of the element in the array, or -1 if it doesn't exist.
unique that console.logs an array where all the duplicates of the input array have been removed; in other words, every element remaining is unique.
longestWord that that retuns the longest word of a sentence.
disemvowel that takes in a string and returns a string with all vowels removed.
divisibleByFivePairSum that takes an array of numbers.
highestScore that takes in an array of student objects as a parameter.
leastCommonMultiple that takes two numbers (integers) as input and returns the lowest number which is a multiple of both inputs.
arrayBuilder that takes in a count object and returns an array filled with the appropriate numbers of elements. The order of the elements in the array does not matter, but repeated elements should be grouped.
objectBuilder that takes in a number and returns an object whose keys are 0 up to number and the values are that same number multipled by 5.
secretCipher that takes in an string(sentence) and an object(cipher). Return a string where every character is replaced with its cooresponding value in the cipher. If the character doesn't exist in the cipher, use the original character.
passingStudents that accepts an array of student objects.