# A very not useful extension

**URL:** <https://forum.makecode.com/t/a-very-not-useful-extension/5457>\
**Category:** Arcade\
**Created:** [January 9, 2021, 10:55pm UTC](https://forum.makecode.com/t/a-very-not-useful-extension/5457 "2021-01-09T22:55:11Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![omnisImperium](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/omnisimperium/32/2728_2.png) [@omnisImperium](https://forum.makecode.com/u/omnisImperium)\
**Post date:** [January 9, 2021, 10:55pm UTC](https://forum.makecode.com/t/a-very-not-useful-extension/5457/1 "2021-01-09T22:55:11Z")

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[Shiven121S/My\_Extension](https://github.com/Shiven121S/My_Extension)

This is a link to an extension that I made. It’s not useful at all, but it’s my first time experimenting with JS/TS, and I mildly like the result. I might be a bit buggy, so import cautiously. Are there any other blocks I can make?

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**Author:** ![UnsignedArduino](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/unsignedarduino/32/592_2.png) [@UnsignedArduino](https://forum.makecode.com/u/UnsignedArduino)\
**Post date:** [January 9, 2021, 11:15pm UTC](https://forum.makecode.com/t/a-very-not-useful-extension/5457/2 "2021-01-09T23:15:05Z")

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[https://makecode.com/playground](https://makecode.com/playground)  
You’ll get a site that looks like this:

 ![image](https://us1.discourse-cdn.com/flex020/uploads/makecode/original/2X/6/69cc7d71f0076e6c9c9d0163d8ffcf6c736d7ded.png)  
Your TypeScript would go on the left, and there is a dropdown of examples in the top left. Press the pink `Run` button to update the blocks. If the blocks didn’t seem to change, save your TypeScript somewhere and reload. Then paste your TypeScript back in.

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**Author:** ![frank\_schmidt](https://avatars.discourse-cdn.com/v4/letter/f/7993a0/32.png) [@frank\_schmidt](https://forum.makecode.com/u/frank_schmidt)\
**Post date:** [January 9, 2021, 11:58pm UTC](https://forum.makecode.com/t/a-very-not-useful-extension/5457/3 "2021-01-09T23:58:10Z")

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This is very useful @omnisImperium , maybe you can help me with it. I want to show percent of fuel remaining as liftoff of Starship from south Texas launch complex. Can you finish the program to show diminishing fuel percent with rise in altitude ? Thx: [https://makecode.com/\_VPDb0kHD4Dot](https://makecode.com/_VPDb0kHD4Dot)