Questions 1: Are event listeners always invoked synchronously?
For example, If I do:
event.on("end", function() {
console.log("end");
});
event.emit("end");
event.removeAllListeners();
Does this code always prints "end" every time?
Question 2: Are event listeners always invoked in the order of they are
attached?
For example, if I do:
event.on('end', function() {
console.log('end');
});
event.on('end', function() {
event.removeAllListeners();
});
event.emit('end');
Does this code always prints "end" every time?
For all tests I ran, the answers to both of these questions are YES. But
I'm not sure whether these are semantics I can rely on across difference
versions of nodejs. Does nodejs provides these semantics guarantees, or are
they implementation dependent?
Thanks,
Chaoran Yang
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