sessionVisitors1.js

//array of two objects [{name, time}, {name, time}, {name, time}]


//# pageViews=> how many times a page is viewed 
//# of users => have many different users have used the web
//# sessions => how many have viewed the page with half an hour time break in between
function main(){
	//example array 
	var pageView = [{'name':'Sara', 'time': 1}, {'name': 'John', 'time':2},{'name':'Sara', 'time': 1}, {'name': 'Hadis', 'time':2},{'name':'Sara', 'time': 1}, {'name': 'Hadis', 'time':33}]
	// var pageView = [{name: 'sara', 'time': 1}]
	//output object
	var output={'pageViews': 0, 'users': 0, 'sessions': 0}
	//get the # of pageViews => easy. It is the length of the array
	output.pageViews = pageView.length;
	// # of different/unique users 
	//loop through the array 

	//make a new array to put the unique names in there
	var count = 0; 
	var uniqueNames = {}
	for(var i = 0; i <pageView.length; i++) {
		//loop through uniqueNames and see if the current name is already in the uniqueNames array
		if(!uniqueNames[pageView[i].name]){
			uniqueNames[pageView[i].name]=pageView[i].name;
			count++;

		}
	
	}
	// console.log(uniqueNames)


	output.users = count;


	return output;
}

console.log(main());