[ExtJS] Capture All Events Fired by a Component

If you want to capture all events fired by a component, just call Ext.util.Observable.capture after the component is created.

Ext.util.Observable.capture(grid, function(eventName, signature) {
    console.log('Event:', eventName, signature);
});

Capture All Events Fired by a Component in ExtJS

Online Demo on Sencha Fiddle