jkyberneees · May 14, 2018 10:34
diff --git a/arrays-performance.js b/arrays-performance.js
 const N = 2000000
 const items = []

 for (var i = 0; i < N; i++) {
  items.push({ index: i })
 }

 console.log(items.map(e => e.index).filter(v => v % 2 === 0).reduce((sum, v) => sum += v))
	const N = 2000000
	const items = []

	for (var i = 0; i < N; i++) {
	items.push({ index: i })
	}

	console.log(items.map(e => e.index).filter(v => v % 2 === 0).reduce((sum, v) => sum += v))
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