In order for a widget to be useful, it needs to be able to perform some action. Using the Bokeh server, it is possible to have widgets trigger real Python code. That possibility will be explored in the Bokeh server chapter of the turorial. Here, we look at how widgets can be configured with CustomJS callbacks that execute snippets of JavaScript code.
JavaScript Playlist: https://youtube.com/playlist?list=PLlbbWgBRF8EfSn1rAjr36AaCssfXBaENZ