blah blah

blah blah

var theArr = Array.from({ length: 100000 }, (_, el) => ({el:el,el2:el,el3:el}))

var theArr = Array.from({ length: 1000000 }, (_, el) => ({el:el}))

Testing the difference between native loops and find()

Object lookup performance

spread vs concat vs unshift

spread vs concat vs unshift

flatMap vs flat map

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