Difference between == & === in JavaScript

-


== Check value only.

=== Check value and its type also.


<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title>Difference between == & === in JavaScript</title>
</head>
<body>
    <script type="text/javascript">
        var b = true;
        if (b == 1)// return true
        {
            document.writeln("Check value only");
        }
        if (b === 1)// return false as variable "b" is boolean type and "1" is number
        {
            document.writeln("Check value and its type also");
        }

    </script>
</body>
</html>

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