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A comment on JavaScript Array.push is 945x faster than Array.concat. Parent comment

Re:JavaScript Array.push is 945x faster than Array.concat by MiddleEndian on Thursday May 23, 2019 @11:22PM (#19998192)
>performance is generally not a huge concern on the front-end

Everyone who has ever used a web app already knows this unfortunately.

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Re:JavaScript Array.push is 945x faster than Array.concat by ng12 on Friday May 24, 2019 @10:54AM (#20002161)
You're like the third person to make this snarky comment in this thread. I promise you the JavaScript runtime is not the bottleneck.
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