Benchmark: Array padding - MeasureThat.net

Tests:

while loop
const keys = ['a', 'b', 'c', 'd'] const vals = ['1', 'd'] const result = [...vals]; while (result.length < keys.length) { result.push(''); }
Array alloc
const keys = ['a', 'b', 'c', 'd'] const vals = ['1', 'd'] const filler = Array(keys.length - vals.length).fill(''); [...vals].concat(...filler);

Rendered benchmark preparation results:

Previous results

Test case name	Result
while loop
Array alloc

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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 10.15; rv:75.0) Gecko/20100101 Firefox/75.0

Browser/OS: Firefox 75 on Mac OS X 10.15

Test name	Executions per second
while loop	16469750.0 Ops/sec
Array alloc	5107550.0 Ops/sec

Array padding (version: 0)