Developer Revisits JavaScript Basics to Fill Knowledge Gaps Beyond Code Recognition

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A developer noticed a gap between being able to read JavaScript code and writing it confidently from scratch, prompting a deliberate return to fundamentals. The self-directed refresher covered core concepts including variables, functions, array methods, callbacks, and asynchronous patterns like Promises and async/await. Slowing down on familiar topics revealed subtle distinctions — such as parameters versus arguments and the difference between logging and returning values — that are easy to overlook through repeated exposure. Working through examples manually, rather than passively reading them, proved more effective for building genuine understanding. The experience highlighted how foundational gaps can accumulate quietly and go unnoticed until concepts are deliberately revisited and tested hands-on.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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