function inside of a function javascript code example

Example 1: function inside function javascript

function getFullName() {
	return getName() + ' ' + getLastName();
  	function getName() {
    	return 'William';
    }
  	function getLastName() {
    	return 'Wallace';
    }
}

console.log(getFullName());
//William Wallace
console.log(typeof getFullName);
//function
console.log(typeof getName);
//undefined
console.log(typeof getLastName);
//undefined

Example 2: call local function javascript

function x() {
};

x.y = function() { alert('2');};

function z() {  x.y(); }