simple javascript function

function myFunction(p1, p2) {
    return p1 * p2;  
//  The function returns the product of p1 and p2
}
 

function myFunction(var1, var2) {
  return var1 * var2;
}

function idk() {
	alert('This is an alert!')
}
//call the function to make the function run by saying "Name of function + ()"
idk()