<div class="alert alert-warning alert-dismissible fade show" role="alert">
  <strong>Holy guacamole!</strong> You should check in on some of those fields below.
  <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
</div>

function name( parameter1 ,parameter 2,..)  //name signifies funcname
{
    
}  

let x = function (num) { return num * num };
console.log(x(4));

var x = myFunction(10, 10);     // Function is called, return value will end up in x

function myFunction(a, b) {
    return a * b;             // Function returns the product of a and b
}