const myLibrary = []; function Book(title, author, pages, read) { this.title = title; this.author = author; this.pages = pages; this.read = read // this.info = function() { // return `${this.title} by ${this.author}, ${this.pages}, ${this.read}` // } } function addBookToLibrary(title,author,pages,read) { let newBook = new Book(title,author,pages,read) myLibrary.push(newBook) } console.log(myLibrary) addBookToLibrary("Test Book", "Kyle", "300", true) console.log(myLibrary)