Run results for: hole array test

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
with hole	12.8 Ops/sec
without hole	12.8 Ops/sec

Script Preparation code:

var array1 = new Array(3);  // you get a sparse array with 3 holes
array1[0] = 'a';
array1[1] = 'b';
array1[2] = 'c';

var array2 = ['a', 'b', 'c'];

var temp1 = [];
var temp2 = [];

Tests:

with hole
for (let j = 0; j < 1e5; ++j) { for (let i = 0; i < array1.length; ++i) { temp1.push(array1[i]); } }
without hole
for (let j = 0; j < 1e5; ++j) { for (let i = 0; i < array2.length; ++i) { temp2.push(array2[i]); } }

Run results for: hole array test

with hole

without hole