How can I completely edit the footer?

It all depends on the theme. Most themes will have a footer.php file somewhere, which usually contains code related to the wp_footer function. It may also be in the theme’s function.php file. It’s all dependent on the theme. You can change (add to) what happens with the wp_footer function, see here for a start https://codex.wordpress.org/Plugin_API/Action_Reference/wp_footer … Read more

Can not add jquery in footer

You must remember there is $in_footer parameter with wp_register_script function. By default it is set to false. Try setting it to TRUE(I don’t see you doing it) and the jQuery should appear in your footer.

Move specific javascript to the footer

It is generally not recommended to put move javascript files to the footer, especially WordPress dependencies. WordPress and plugins require and expect dependencies to be in the header and things can go awry if they aren’t. There are workarounds for this, but in many cases if you do move things to the footer and a … Read more

Move jquery ui to footer

Ok i found alone the solution, the problem was that it is ‘jquery-ui-core’ and not ‘jquery’. Thank you a lot for the effort P.S: In order not to open second similar thread, how do i find the theme js libraries and put them to footer, for example i have http://example.com/wp-content/themes/theme-name/js/dropdown.js and i want to move … Read more