how to create javascript function code example

Example 1: functions in javascript

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

Example 2: javascript function

// variable:
var num1;
var num2;
// function:
function newFunction(num1, num2){
	return num1 * num2;
}

Example 3: declare function javascript

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