If you played around with
A string is just a bit of text, ranging anywhere from a single character to lengthy paragraphs. A string is always written inside a pair of quotes (single or double).
false, and is always written without quotes.
Write this code in your Repl, and click "run":
console.log(typeof "Hello world!");
You should see
string printed to the console. That's because 'Hello world!' is a string data type.