Thursday, October 15, 2026
Making Sense Of “Senseless” JavaScript Features
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Making Sense Of “Senseless” JavaScript Features

Why does JavaScript have so many eccentricities!? Like, why does 0.2 + 0.1 equals 0.30000000000000004? Or, why does "" == false evaluate to true? There are a lot of mind-boggling decisions in JavaScript that seem pointless; some are misunderstood, while others are direct missteps in the design. Regardless, it’s worth knowing what these strange things…