JavaScript has arrays and objects, either of which could be used to do what you want, though you'll need to write your own library of set operations. JavaScrip

JavaScript has arrays and objects, either of which could be used to do what you want, though you'll need to write your own library of set operations. JavaScript and Python are very different languages. I'd suggest you start here: https://developer.mozilla.org/en/JavaScript https://developer.mozilla.org/en/JavaScript