JavaScript Variable Declare and Assign
Example
<!DOCTYPE html>
<html lang="en">
<head>
<title>JavaScript Variable assign same value</title>
</head>
<body>
<pre> <!-- Use pre element for work document.writeln() method -->
<script type="text/javascript">
var a = "hello";
var b;
var c;
document.writeln("a : " + a);
document.writeln("b : " + b);
document.writeln("c : " + c);
</script>
</pre>
</body>
</html>
Example Result