This app will give you real applications in the use of Express.JS Rest API

You will see the full source code of the demo. You will see how to use:
1. Text Plain in Express.JS Rest API
2. Text HTML in Express.JS Rest API
3. Use URL Parameters in Express.JS Rest API
4. Convert Object to/from JSON in Express.JS Rest API
5. Convert List Objects to/from JSON in Express.JS Rest API
6. Use POST Method in Express.JS Rest API
7. Use PUT Method in Express.JS Rest API
8. Use DELETE Method in Express.JS Rest API
9. Find All Documents in MongoDB with Express.JS Rest API and Mongoose
10. Find Documents with Conditions in MongoDB with Express.JS Rest API and Mongoose
11. Find Document By Id in MongoDB with Express.JS Rest API and Mongoose
12. Create Operator in Express.JS Rest API and Mongoose
13. Update Operator in Express.JS Rest API and Mongoose
14. Delete Operator in Express.JS Rest API and Mongoose
15. Security Rest API in Express.JS

You also see the results after the demo with the illustrations.

You can also copy the code in this app and use it on your project.