jQuery is a nice JavaScript library, we all know it. But not many of us are familiar with ExtJS. As I have now been working with both, I needed some time to adapt to the change from jQuery to ExtJS and rediscover how things are done the easiest way with both libraries.

One of the things I really liked about jQuery was the “live” event.
The jQuery documentation explains it very straightforward:

[with a live event you] attach a handler to the event for all elements which match the current selector, now or in the future

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