var myStr = "hello" console.log(typeof myStr === "string") //=> true
buildSentencethat takes three words (strings) and adds them together and console.logs the whole sentence (string) complete with capitalization and punctuation.
lastLetterthat takes a word (string) and console.logs the last character/letter of that word.
buildGreetingthat takes a time (integer) and a name (string) and print a greeting based on the following rules:
indexOfis a function that you can call on a string (string1) and accepts another string (string2) as an argument.
letterExiststhat takes a word (string) and a character (string), and console.logs whether that letter can be found inside that word.
isPrimethat console.logs a boolean indicating if `number` is prime or not.
rangethat console.logs all numbers between 'start' and 'end' in sequential order.
myIndexOfthat takes an array and an element and console.logs the index of the element in the array, or -1 if it doesn't exist.
uniquethat console.logs an array where all the duplicates of the input array have been removed; in other words, every element remaining is unique.
longestWordthat that retuns the longest word of a sentence.
disemvowelthat takes in a string and returns a string with all vowels removed.
divisibleByFivePairSumthat takes an array of numbers.
highestScorethat takes in an array of student objects as a parameter.
leastCommonMultiplethat takes two numbers (integers) as input and returns the lowest number which is a multiple of both inputs.
arrayBuilderthat 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.
objectBuilderthat 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.
secretCipherthat 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.
passingStudentsthat accepts an array of student objects.