Tag Archives: express.js 3.x to 4.x

Migrating Express.js 3.x to 4.x: Middleware, Route and Other Changes

Migrating Express.js 3.x to 4.x: Middleware, Route and Other Changes

Express.js 4 is the latest (as of May 2014) version of the most popular mature and robust Node.js framework for web apps, services and APIs. There are some breaking changes going from 3.x to 4.x, so here’s a brief migration guide:

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