By default, the customization of CKEditor 4 is made by config.js file
But I use it in several views, and each views, needs certain plugins that it offers and other non-
How to customize the toolbar without using the config.js file?
Only with javascript?
make one button out in page
make one button out in page and that button click call....
CKEDITOR.Command('myPluginName');
and you got your widget in ckeditor.