JavaScript — what is changing around mistakes and lessons?

charlie3129

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Sep 5, 2026
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I wanted to start a broader mistakes and lessons thread around JavaScript.

A useful angle is reliability, but it also connects with advanced workflows. Different tools and workflows can produce very different results even when the goal is similar.

It would be interesting to compare practical examples, experiments, setups, or lessons that show where JavaScript is genuinely useful and where it still needs improvement.