[j_s]

If I remember correctly, Google's Blockly Games used to allow JavaScript on more than just the last "level". It definitely starts at a much earlier point in the learning process.

The best part of the previous discussions is links to similar technologies; I look forward to seeing what else is mentioned today.

Blockly is a library for building visual programming editors | https://news.ycombinator.com/item?id=10763057 (Dec 2015, 40 comments)

Google's Blockly Games | https://news.ycombinator.com/item?id=8211031 (Aug 2014, 18 comments)

Google Blockly - a visual programming language | https://news.ycombinator.com/item?id=4050426 (Jun 2012, 123 comments)

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http://learn.code.org/hoc/1 - highly polished Hour of Code

https://tickleapp.com/ - Blockly <-> Swift controlling physical hardware