jQuery Plugin Functions

Hello
I’d like to know the source of functions that use in client side event to do some events there .
I know its written by JavaScript , but its deferent from version to version in asp.net maker.
I hope to help me in that please.
Thanks

Refer help files:
https://aspnetmaker.dev/docs/#/customscripts.html?id=client-scripts-1
https://aspnetmaker.dev/docs/#/customscripts.html?id=jquery-fields-plugin

Thanks