Laravel is server side. It can't 'push' any information out to the browser by itself, there isn't an open connection to do this anyway. You will need some JS and some type of push system potentially to be able to push data to a client, perhaps via websockets.
There is some information on dealing with this in the Laravel docs for Event Broadcasting but you will have to figure out how to actually implement all of this on the front side and structure it in general.
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