Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Chrome 135
Mac OS X 10.15.7
Desktop
one year ago
for loop pre-allocate cached length
277K/s
for loop pre-allocate
209K/s
for loop push
190K/s
Array.from with map
90K/s
Array.from with second parameter
88K/s
Spread with map
86K/s
View exact numbers
Test name Executions per second
for loop pre-allocate cached length 276,880 Ops/sec
for loop pre-allocate 209,143 Ops/sec
for loop push 190,237 Ops/sec
Array.from with map 90,216 Ops/sec
Array.from with second parameter 88,046 Ops/sec
Spread with map 86,361 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests: