what happens when we declare a function in js code example

Example 1: declare function javascript

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

Example 2: how do you create a function js?

//(don't type behind the// type function to after that name it//
function name() {
  (name)=name
  console.log(name)
};
//{ symbol is used o group together code but you must create n index/array of 2(array3)//