as on the server-side • Share data validations code: Less inconsistencies Just-in-time feedback to the end-user Still have safe verification on the server-side * * Thou shalt never trust the user https://www.owasp.org/index.php/Don't_trust_user_input
tools, prototyping, and… • Taking some room from Apache + PHP, Python, Ruby, etc, as a serious web application stack • non-blocking I/O, single-threaded event loop this can make your brain blow if you’re not used to concurrency… (event-driven programming)
require(‘express-validator’); // Includes the express-validator module, available on npm Install it locally with npm install express-validator You shall install it locally.
write this document • Even if you don’t intend to publish a npm package, create a package.json document to take advantage of a series of things like dependency management, etc