Untitled

<html>
<head>
	<title>Variables and Operators</title>
</head>
<body>
	<h1>var a=2 ; b=5</h1>
	<h1>firstname = "Jame" ; lastname="Smith";</h1>
	<script>

		var a=2;
		var b=5;

		//Math
		document.write("a+b"," get ",a+b ,"<br>");
		document.write("a-b"," get ",a-b ,"<br>");
		document.write("a*b"," get ",a*b ,"<br>");
		document.write("a/b"," get ",a/b ,"<br>");
		document.write("a%b"," get ",a%b ,"<br>","<hr>");

		//Increment and Concatenate
		document.write("a+=2"," get ",a+=2,"<br>");
		document.write("a+=2"," get ",a+=2,"<br>");
		document.write("a+=2"," get ",a=+2,"<br>");
		document.write("a+=2"," get ",a=+2,"<br>");
		document.write("++a"," get ",++a ,"<br>");
		document.write("++a"," get ",++a ,"<br>");
		document.write("a++"," get ",a++ ,"<br>");
		document.write("a++"," get ",a++ ,"<br>");

		firstname = "Jame" ; lastname="Smith";
		document.write("firstname+lastname"," get ",firstname+lastname,"<br>", "<hr>");
	</script>
		<h1>var a="2"; b=2.0 ; c=4 ; d = a == b ; e = a === b </h1>
		<script>
		//Comparison
		var a="2"; b=2.0 ; c=4 ; d = a == b ; e = a === b
		document.write("a==b"," get ",a==b,"<br>");
		document.write("a===b"," get ",a===b,"<br>");
		document.write("a<=c"," get ",a<=c,"<br>");
		document.write("d&&e (d and e)"," get ",d&&e,"<br>");
		document.write("d||e (d or e)"," get ",d||e,"<br>");


		</script>


</body>
</html>