Benchmark: empties vs small array

Script Preparation code:

var array1 = [];
array1[1600] = 2;
var array2 = [1, 2, 3, 4, 5, 6, {124: 2}, {124: 2}, {124: 2}, {124: 2}, {124: 2}];

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
1500 empty elements
about 10 integer elements

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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_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36

Browser/OS: Chrome 87 on Mac OS X 10.15.7

Test name	Executions per second
1500 empty elements	27670.9 Ops/sec
about 10 integer elements	9440417.0 Ops/sec

empties vs small array (version: 0)