livescript 1.6.1+dfsg-2 (armhf binary) in ubuntu jammy

 It has a straightforward mapping to JavaScript and allows you to write
 expressive code devoid of repetitive boilerplate. While LiveScript adds many
 features to assist in functional style programming, it also has many
 improvements for object oriented and imperative programming.
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 Node.js is an event-based server-side JavaScript engine.