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by acemarke
3337 days ago
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That's an absolutely standard practice in Javascript, and especially in the React world. The assumption is that if two objects are different references, then their contents are also different. It's possible that you could have two different objects whose fields point to the exact same contents, but given a typical application setup that's unlikely. So, a simple `a === b` (or if you're looking at all the contents, `first.a === second.a && first.b === second.b && .....`) is just some quick pointer comparisons in the JS engine. So, at the JS level you don't care what the pointer address actually _is_, just whether the two variables point to different things in memory. |
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More precisely: may be different.