JS array comparison

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Array.push
const arr = [];

for (let i = 0; i < 1000; i++) {
	arr.push('What is faster: an assignment or a function call which looks up the length of an array and performs an assignment?')
}
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Index access
const arr = new Array(1000);

for (let i = 0; i < 1000; i++) {
	arr[i] = ('What is faster: an assignment or a function call which looks up the length of an array and performs an assignment?')
}
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Array.map
const arr = new Array(1000).fill(undefined);

const mappedValues = arr.map(() => 'What is faster: an assignment or a function call which looks up the length of an array and performs an assignment?')
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