How to use `push()`?
const words = ['No', 'one', 'lives']
// output: ['No', 'one', 'lives']
console.log(words)
// returns 4 <- length of the new array
words.push('Forever!')
// output: ['No', 'one', 'lives', 'Forever!']
console.log(words)
December 4th, 2019
push()
adds items to the end of an array and returns the length of the new array.