Did you know it’s possible to write Javascript code without using any letters or numbers at all? Well, it’s not just Javascript, but that’s the language used in this demonstration… ...

Joins all elements of an array into a string. Takes an optional argument to specify a string to seperate each element. Arguments. separator (optional) Specifies a string to separate each element of ...

Write a function called checkUnique that takes in a string as an argument and checks if the string has all unique characters. In other words, the function should check to make sure there are no ...