How can I apply JQUERY in a code

Answer 1

Simply put the link to jquery source into the script tag inside of head section of your html code. Sample: <script src="https://code.jquery.com/jquery-3.1.1.js"></script>

Answer 2

https://www.sololearn.com/learn/jQuery/2785/

Answer 3

Thanks
And what does jQuery do in a code

Answer 4

Jquery, actually is java script writing in a short, convinience way. So it does what java script does!

Answer 5

https://www.sololearn.com/learn/jQuery/2782/