# Forms — RxJS

Source: https://www.geekswithgeeks.com/en/rxjs/rxjs-12

> Use Forms as part of RxJS.

## The essential idea

**Forms** is a practical part of RxJS. Start with the problem, then identify the input, transformation, and expected result.

## See the learning path

This topic is one step from source code to a useful checked result.

![Learning path for RxJS.](assets/figures/rxjs/rxjs-learning-map.svg) — Figure 5.1 — Keep the full path visible.

## Common pitfall

Do not learn **Forms** by copying. Use a small experiment and feedback to check your explanation.

Quick check

**Quiz:** What is good practice for Forms?

- [x] Run one small example.
- [ ] Memorize without testing.
- [ ] Ignore feedback.

*Answer:* Run one small example.. Focused experiments reveal cause and effect.