Benchmark: getTime - MeasureThat.net

Tests:

Sort first
const sample = {date: new Date(), value:1}; const usage = Array(10).fill(sample); usage.sort((a, b) => a.date.getTime() - b.date.getTime()).map(({ date, value }) => [date.getTime(), value])
Map first
const sample = {date: new Date(), value:1}; const usage = Array(10).fill(sample); usage.map(({ date, value }) => [date.getTime(), value]).sort((a, b) => a[0] - b[0])

Rendered benchmark preparation results:

Previous results

Test case name	Result
Sort first
Map first

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.96 Safari/537.36

Browser/OS: Chrome 88 on Mac OS X 10.14.5

Test name	Executions per second
Sort first	673689.7 Ops/sec
Map first	786894.4 Ops/sec

getTime (version: 0)