how to use a function to create a variable javascript code example

Example 1: declare function javascript

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

Example 2: anonymous function javascript

//Anonymous function; It's not assigned to an indentifier

Array.forEach((arguments) => {
	//This is an anonymous function
})

function forEach(arguments) {
	//This is NOT an anonymous function
}