primitiveVsReference.js

/*
increase function will use number but it copy new number for use it
number is a Primitive type so ther are independent and will not change
*/
let number = 10;

function increase (param) {
	param++;
	console.log("param value is: ", param);
};

increase(number);
console.log("number value (Primitive type): ", number);


/* 
but here object (reference type) will behave differnetly
*/
let object = {value: 10};

function increaseObject (param) {
	param.value++
	console.log("param value is: ", param);
}

increaseObject(object);
console.log("object value (Reference type): ", object)