js '!' on conditional code example

Example 1: javascript ternary operator

//ternary operator example:
var isOpen = true; //try changing isOpen to false
var welcomeMessage  = isOpen ? "We are open, come on in." : "Sorry, we are closed.";

Example 2: javascript ternary

condition ? doThisIfTrue : doThisIfFalse

1 > 2 ? console.log(true) : console.log(false)
// returns false