How to know which toolbar button is clicked in ckeditor

How to know which toolbar button is clicked in ckeditor

please let me know is there any event is available to know which tool bar button is clicked, because i am doing
blur functionality , it is giving problem when i am trying to add link or image and also i am trying to change
foreground colour and back ground colour the blur event is calling .

So i want to restrict the blur event only for all the tool bar items.

Thats why i am trying to find is there any event to identity in ckeditor i clicked on toolbar button

sample code



jQuery('textarea').each(function(){


try{
console.log(jQuery(this)[0].id);
var myeditor = jQuery(this)[0].id;
var editor = CKEDITOR.instances[myeditor];

if (editor) {

var surbutn='';
editor.on('blur', function(e) {


alert('blur');

});

}

}catch(err)
{
}

});

let me know asap thanks and regards surya