Express.js route handler function takes three arguments (usually named: req, res, next), that will contain the HTTP Request object, HTTP response, and the next function in the middleware chain.
Source:
Express Tutorial Part 4∷ Routes and Controllers - Learn Web Development | MDN. 13 Sept. 2022, <a href="http://developer.mozilla.org/en-US/docs/Learn/Server-side/Express_Nodejs/routes" class="autolinkedURL autolinkedURL-url" target="_blank">developer.mozilla.org/en-US/docs/Learn/Serv..</a>.

Express.js route handler function takes three arguments (usually named: req, res, next), that will contain the HTTP Request object, HTTP response, and the next function in the middleware chain.

Source:

Express Tutorial Part 4∷ Routes and Controllers - Learn Web Development | MDN. 13 Sept. 2022, developer.mozilla.org/en-US/docs/Learn/Server-side/Express_Nodejs/routes.

Express.js route handler function takes three arguments (usually named: req, res, next), that will contain the HTTP Request object, HTTP response, and next

Which are the arguments available to an Express JS route handler

Which are the arguments available to an Express JS route handler function?

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Which are the arguments available to an Express JS route handler function?