How to Post HTML Form Data in NodeJS or ExpressJS Server with Architecture and Source Code
How to Post HTML Form Data in NodeJS or ExpressJS Server
Once you start the project on your localhost:3000, following happens on the backend –
1. Browser makes GET request to our backend NodeJS Server for route ‘/’.
2. Once our server receives this request, it starts looking for suitable controller for this route.
3. Upon checking the ‘routes/routing.js‘ file, we can see the mapping of GET[‘/’] with ‘controllers/form.js’.
4. Module: form is responsible to handle all requests (GET) coming to ‘/‘ route. It loads the html file : form.html to ‘localhost:3000‘ which contains the registration form which has to be filled by user.
5. Once a user submits a form, a POST request (using form’s attribute called ‘method’) is sent to the same route with all form data.
6. Module: formprocess is responsible to handle the request (POST) coming to ‘/‘ route. Our backend code is capable of exposing form data to ‘req.body‘ object. This is achieved with the help of ‘body-parser‘ module of npm. Later, we can send this data as our response to front-end.
7. That’s all.
For Notes, Architecture and to download Source Code : https://codeofgeeks.com/how-to-post-h...
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