1 Essential Express.js Interview Questions *
Toptal sourced essential questions that the best Express.js developers can answer. Driven from our community, we encourage experts to submit questions and offer feedback.
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The arguments available to an Express.js route handler function are:
-
req- the request object -
res- the response object -
next(optional) - a function to pass control to one of the subsequent route handlers
The third argument may be omitted, but is useful in cases where you have a chain of handlers and you would like to pass control to one of the subsequent route handlers, and skip the current one.
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