Published by Stefan Trenkel

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Why should I report an Issue with JavaScript Hero - Learn to Cod?

  1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
  2. Pulling issues faced by users like you is a good way to draw attention of Stefan Trenkel to your problem using the strength of crowds.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
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About JavaScript Hero - Learn to Cod

1. JavaScript Hero introduces you to the essential concepts of programming.

2. JavaScript Hero wants to take you into the world of JavaScript programming.

3. On each page you will find a small lesson and a small programming task.

4. The tutorial covers variables, functions, strings, numbers, boolean, arrays, conditionals and loops.

5. Free software unter GNU Affero General Public License Version 3.

6. Learn to code with JavaScript Hero!

7. The task can be solved directly on the page.

8. And you are immediately told if you have solved the problem correctly or if you have made a mistake.

9. The tutorial with interactive exercises.

10. All texts are additionally covered by the Creative Commons Attribution-ShareAlike 4. 0 International Public License.

JavaScript Hero Customer Insights

1. design is bit cheap, and when quit always starts from lession 1, but like the whole way it is constructed.Keep up!Thank You For Giving hints today.. yesterday i practised that string charAt() Exercise ... all most reached the goal but showing this type of new error Reading your code successfully.

2. A few problems say I didn't pass some of the tests, but the code gives the correct answer when I run it on another code editor or even the app's playground.

3. Thanks.Nice app Java basics are really good daily spend 1 hour for Java scriptVery useful for beginners 🙏 thanks from india🇮🇳really usefull.

4. Still, even in these situations, I learned a lot by testing code, tweaking it, and running code again.This is a great app.

5. Note: my progress and playground code is randomly deleted.

6. It gives plenty of opportunity to code, and touches on important concepts.

7. I wish you could save your code that you write in the code playground.

8. ------- error showing like this ----------------------------------------------------------- shortcut("Java", "Script") does not return "JS", but "AI".

9. It seemed a bit basic for me :) I wait for kind of advance version wit jquery and some graphics coverage eventualy css, node.js or similar.

10. If you don't know how to code, stay away.

11. This app doesn't quite cover all concepts but since other apps don't either, I still learned stuff.

Steps to Troubleshoot & Fix JavaScript Hero Issues

1. Fix JavaScript Hero Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart JavaScript Hero: Restarting the app will resolve most errors.
  2. Update the JavaScript Hero App. Here is how:
    1. On Android goto PlayStore » Search for "JavaScript Hero" » Open JavaScript Hero - Learn to Cod » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for JavaScript Hero » click "UPDATE".
  3. Clear JavaScript Hero - Learn to Cod app cache: Clearing cached data will force your app to retrieve the latest data directly from JavaScript Hero servers.
    1. On Android, goto Settings » Apps » Select "JavaScript Hero - Learn to Cod" » click Storage » click "Clear Cache".
  4. Check JavaScript Hero app permissions. If any of these permissions required to use your device's features are disenabled, JavaScript Hero might not work.
  5. Uninstall and reinstall JavaScript Hero. If nothing else has worked, completely uninstall JavaScript Hero then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing JavaScript Hero not working


2. Fix JavaScript Hero Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make JavaScript Hero be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to JavaScript Hero not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, JavaScript Hero may not be able to connect to the Internet when running in the background.

Reported Issues