$(function(){
	/*
	Inputs need a comma in between each value don't put quotations (line break is allowed)
	Example inputs
	A,
	B,
	C
	*/

		//When submit
		$(".submit-values").on('click', function(){
			//get the value in the textarea
			var todayValues = $(".today-input textarea").val();
			var yesterdayValues = $(".yesterday-input textarea").val();

			//remove linebreaks from the inputs
			todayValues = todayValues.replace(/(\r\n|\n|\r)/gm,"");
			yesterdayValues = yesterdayValues.replace(/(\r\n|\n|\r)/gm,"");

			//change the string into array
			var today = todayValues.split(",");
			var yesterday = yesterdayValues.split(",");

			//find the duplicates
			var outputTrue = 	dupOutput(today, yesterday);
			//find ones not duplicated
			var outputFalse = 	today.filter(function(val) {
	  								return outputTrue.indexOf(val) == -1;
								});

			//join the arrays by adding <br> then use html output
			outputTrue = outputTrue.join("<br>");
			outputFalse = outputFalse.join("<br>");

			//display the outputs
			$(".dup .display").html(outputTrue);
			$(".not-dup .display").html(outputFalse);

			//returns duplicates in an array
			function dupOutput(today, yesterday){
				var output = [];
				//loop through today
				for(var i = 0; i < today.length; i++){

					//loop through yesterday if today matches yesterday, push into the output array
					for(var j = 0; j < yesterday.length; j++){
						if(today[i] == yesterday[j]){
							output.push(today[i]);
						}
					}
				}
				return output;
			}
		});
	});