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

Code Example 1

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

Code Example 2

<script src="https://code.jquery.com/jquery-3.5.1.js" integrity="sha256-QWo7LDvxbWT2tbbQ97B53yJnYU3WhH/C8ycbRAkjPDc=" crossorigin="anonymous"></script>

Code Example 3

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

Code Example 4

<script src="https://code.jquery.com/jquery-3.5.0.js"></script>

Code Example 5

<script src="https://code.jquery.com/jquery-3.5.0.js"></script>

Code Example 6

<script src="https://code.jquery.com/jquery-3.4.1.js"></script>

Code Example 7

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

Code Example 8

<!-- Answer to "jquery" -->

<!DOCTYPE html>
<html>
<head>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
</head>
<body>
</body>
</html>

Code Example 9

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

Code Example 10

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>

Learn ReactJs, React Native from akashmittal.com