Check out example codes for "how to use jquery html". It will help you in understanding the concepts better.

Code Example 1

<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>

Code Example 2

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>

Code Example 3

<!--You can insert Jquery into HTML with the <script> tag.-->
<head>
  <script type = 'text/javascript' src = 'https://code.jquery.com/jquery-3.3.1.js'></script>
</head>

Code Example 4

<!--You can insert Jquery into HTML with the <script> tag in the <head>-->
<!--Insert the next line of code into your <head> tags.-->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script> <!-- jquery (help with javascript) -->

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