Function argument evaluation

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Function argument evaluation

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Last edited Feb 6, 2017

Created on Feb 6, 2017

This example visualizes the scope and behavior of function arguments in JavaScript, specifically showing that function expressions are not hoisted. A small data array, `[1,2,3]`, is passed to `Array.prototype.map` with a function expression named `foo`. The visualization demonstrates that the callback executes correctly during the `map` call, but a subsequent call to `foo()` outside that scope throws a `TypeError` because the function name is only visible within its own body. The code relies on standard JavaScript language constructs rather than external visualization libraries.

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