# Software Engineering

**12,124 learners**

## Iterating Over Data in JavaScript

Set off into the universe of JavaScript's loop structures. Understand the power of 'for' and 'while' loops, and unravel the mysteries of loop utilization.

### Course Overview

- **JavaScript**  
- **5 lessons**  
- **27 practices**  
- **2 hours**

### Course details

#### Unit 1
- **8 practices**  
- **28 min**  
- Topics:  
  - Exploring the Galaxy of JavaScript For Loops: For, For-In, and For-Of Loops Demystified  
  - Cosmic Numbers: The For Loop Odyssey  
  - Exploring the Spacecraft Mission Details  
  - Loop Transformation: From 'for-of' to 'for'  
  - Galactic Debugging Mission  
  - Lost Signal in the Loop  
  - Orbiting with For-Of Loop  
  - Stargazing Loop Constellations  
  - Countdown in Space: Writing a 'for' Loop

#### Unit 2
- **5 practices**  
- **19 min**

#### Unit 3
- **4 practices**  
- **16 min**

#### Unit 4
- **5 practices**  
- **19 min**

#### Unit 5
- **5 practices**  
- **19 min**

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**Iterating Over Data in JavaScript | CodeSignal Learn**