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Discussion on: Which is faster: obj.hasOwnProperty(prop) vs Object.keys(obj).includes(prop)

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Replies for: I bet it has to be Object.hasOwnProperty. Depending on the runtime implementation, Object in JavaScript should be somewhat similar to a HashMap. S...

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Ethan Arrowood • • Edited

Turns out the Array includes method is faster!
thepracticaldev.s3.amazonaws.com/i...

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YCM Jason •

Try a bigger object, say with 20000 keys.

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YCM Jason •

interesting, is this running on node?