prependListener
Adds the listener
function to the beginning of the listeners array for the event named eventName
. No checks are made to see if the listener
has already been added. Multiple calls passing the same combination of eventName
and listener
will result in the listener
being added, and called, multiple times.
server.prependListener('connection', (stream) => {
console.log('someone connected!');
});
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Returns a reference to the EventEmitter
, so that calls can be chained.
Since
v6.0.0
Parameters
eventName
The name of the event.
listener
The callback function