a sutra is a thread — a teaching short enough to remember, dense enough to unpack

Coding concepts, tied into sense.

SyntaxSutra explains one idea at a time — closures, algorithms, git, the tools you reach for daily — as a short thread you can actually hold onto, not a wall of documentation.

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javascript

Closures Are Just Backpacks

A closure is a function carrying a small backpack of variables it needs later. Here is the mental model that finally makes it click.