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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 EForEndeavour on Friday May 24, 2019 @12:10PM (#20002978)
There's plenty of demand for and work on frontend JS performance as well, e.g, https://greensock.com/
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Re:JavaScript Array.push is 945x faster than Array.concat by ng12 on Friday May 24, 2019 @01:34PM (#20003663)
You're being pedantic -- I'm not saying that there performance-critical JS code doesn't exist, I'm saying that the push for readability over performance isn't going anywhere.
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