What are the <code>decodeURI()</code> and <code>encodeURI()</code>?

JavaScript - Interview Questions

What are the decodeURI() and encodeURI()?

EncodeURI() is used to convert URL into their hex coding. And DecodeURI() is used to convert the encoded URL back to normal.

<script>
	var url="my test.php?name=volkswagen&car=polo";

	document.write(encodeURI(url)+ "<br>");

	document.write(decodeURI(url));
</script>

Output:

my%20test.php?name=volkswagen&car=polo
my test.php?name=volkswagen&car=polo