Useful JavaScript String Functions

Getting the last 4 characters of a string

The easiest way to get the last 4 characters of a string is by using a .slice()

const str = "Wj34H9PU50UI24k49u9BtUX1nkBe6P4Z AUTO"

const lastFour = str.slice(-4);

console.log(lastFour); // "AUTO"