contributing to interactive-tutorials (#7882)

* contribution to interactive tutorials [learn javascript]

* fix pr

* space

* Update more/free-programming-interactive-tutorials-en.md

Co-authored-by: CodeBreaker <diegoperezperez518@gmail.com>
Co-authored-by: Eric Hellman <eric@hellman.net>

more/free-programming-interactive-tutorials-en.md

@@ -227,6 +227,7 @@
 * [JavaScript Tutorial](https://www.scaler.com/topics/javascript/) - Scaler Topics
 * [Javascripting](https://github.com/sethvincent/javascripting)
 * [Learn JavaScript](http://www.learn-js.org)
+* [Learn JavaScript](https://learnjavascript.online)
 * [Learn knockout.js](http://learn.knockoutjs.com)
 * [Learn to Code for Free – Grasshopper](https://grasshopper.app)
 * [Learning Advanced JavaScript](http://ejohn.org/apps/learn/)