html/swap.html at main · RSANGRAM/html · GitHub

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<!DOCTYPE html>
<html>
<head>
	<script type="text/javascript">
		var x=0,y=0;
		function num()
		{
		x = parseInt(document.getElementById("t1").value);
		y = parseInt(document.getElementById("t2").value);
		}
		function add(){
			num();
			var z=x+y;
			document.getElementById("t3").value = z;
		}
		function sub(){
			num();
			var z=x-y;
			document.getElementById("t3").value = z;
		}
		function mul(){
			num();
			var z=x*y;
			document.getElementById("t3").value = z;
		}
		function div(){
			num();
			var z=x/y;
			document.getElementById("t3").value = z;
		}
	</script>
	<title></title>
</head>
<body>
	First number:<input type = "text" id ="t1"><br>
	Second number:<input type = "text" id ="t2"><br>
	<input type ="button" value ="ADD" onclick="add()">
	<input type ="button" value ="Sub" onclick="sub()">
	<input type ="button" value ="MUL" onclick="mul()">
	<input type ="button" value ="DIV" onclick="div()"><br>
	Result:<input type = "text" id ="t3">

</body>
</html>