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TIL: 1. Spreading an object in JavaScript e.g. {...thing} does not include properties from the object's prototype, and 2. There's a situation where I care that spreading an object doesn't include properties from the prototype. I was more surprised by #2 than #1.Permalink On twitter.com
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Mood +2 🙂
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The situation where I cared was that I was trying to "clone" a React event, with one property modified. By spreading the event into a new one, I was effectively removing almost all the properties of the event (because most of them were on the prototype).Permalink On twitter.com
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Mood +2 🙂
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This totally feels like the kind of "trivia" that one would be grilled on in a bust-em style technical interview. Will I ever forget it? No. Will it ever come in useful again in my life? Probably also no. And I guess that's how bust-em technical interview questions are born.On twitter.com
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Mood +3 🙂