How do you set up jQuery for use in your web document? code example

Example 1: jquery implement in html

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

Example 2: add jquery script in html

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>