Please keep in mind that, there are two versions of jQuery for downloading. These are the production version and development version.
Production version- This is very useful for a live website since it is minified and compressed hence its size reduces and performance increases.
Development version - This is useful for testing and development. It will be uncompressed and readable code.
You can download both version from Jquery.com .
How To Add Downloaded jQuery Inside The Web Page
Once, jQuery is downloaded then save it with the
Downloaded jQuery file can be added inside the HTML web page using
Please keep in mind that the
<script> tag should be placed either inside the
<head> section or just before the closing