Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Chrome 137
Mac OS X 10.15.7
Desktop
one year ago
for loop pre-allocate cached length
270K/s
for loop pre-allocate
222K/s
for loop push
192K/s
Array.from with map
86K/s
Array.from with second parameter
85K/s
Spread with map
83K/s
View exact numbers
Test name Executions per second
for loop pre-allocate cached length 270,178 Ops/sec
for loop pre-allocate 222,388 Ops/sec
for loop push 192,192 Ops/sec
Array.from with map 86,152 Ops/sec
Array.from with second parameter 85,176 Ops/sec
Spread with map 82,900 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests: