ways to write function in javascript code example

Example 1: how to use function in javascript

/* Declare function */
function myFunc(param) {
  // Statements 
}

Example 2: how to make a function in javascript

// Code by DiamondGolurk
// Defining the function

function test(arg1,arg2,arg3) {
	// Insert code here.
  	// Example code.
  	console.log(arg1 + ', ' + arg2 + ', ' + arg3)
}

// Running the function

test('abc','123','xyz');

// Output
// abc, 123, xyz