JavaScript What is x.fn.x.init[] value shown for $() and $(this) in chrome dev tools what does init value mean,what is the unit value

I have a habbit of debugging JS and jQuery script in some developer tool. I realized Chrome Dev Tools showing x.fn.x.init as a value for $() and $(this). However I dont realize what are these value:

Code

<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<script src="jquery-2.0.2.min.js" ></script>
<script src="jquery.ui.widget.js" ></script>
<title></title>
<script type="text/javascript">

    $(document).ready(function () {
        var outstring = "";
        outstring = "" + $() + $(this);
    });

</script>
</head>
<body>
</body>
</html>

enter image description here

Answer:1

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