Hardcoded Array vs Array.from() vs new Array() vs push (version: 0)

Testing the difference between creating filled arrays.

Comparing performance of: new Array() vs Array.from() vs push vs Hardcoded Array

Created: 2 years ago by: Guest
Go to the latest result
Tests:

Historical Performance Data aggregated from 44 community runs

Desktop Results:
Chrome 14 runs
Hardcoded Array
168.3M/s
new Array()
2.0M/s
push
981K/s
Array.from()
69K/s

Fastest: Hardcoded Array (2441.2x faster)

View exact numbers
  • ✓ Hardcoded Array: 168,265,952 ops/sec
  • • new Array(): 2,013,938 ops/sec
  • • push: 981,027 ops/sec
  • • Array.from(): 68,928 ops/sec
Firefox 11 runs
Hardcoded Array
924K/s
new Array()
730K/s
push
724K/s
Array.from()
327K/s

Fastest: Hardcoded Array (2.8x faster)

View exact numbers
  • ✓ Hardcoded Array: 924,394 ops/sec
  • • new Array(): 730,252 ops/sec
  • • push: 724,339 ops/sec
  • • Array.from(): 327,090 ops/sec
Mobile Results:
Safari 10 runs
Hardcoded Array
424.7M/s
Array.from()
953K/s
push
642K/s
new Array()
388K/s

Fastest: Hardcoded Array (1093.8x faster)

View exact numbers
  • ✓ Hardcoded Array: 424,699,008 ops/sec
  • • Array.from(): 953,180 ops/sec
  • • push: 641,810 ops/sec
  • • new Array(): 388,290 ops/sec
Chrome 9 runs
Hardcoded Array
84.9M/s
new Array()
533K/s
push
343K/s
Array.from()
36K/s

Fastest: Hardcoded Array (2365.1x faster)

View exact numbers
  • ✓ Hardcoded Array: 84,908,800 ops/sec
  • • new Array(): 533,185 ops/sec
  • • push: 342,962 ops/sec
  • • Array.from(): 35,900 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    new Array()
    Array.from()
    push
    Hardcoded Array

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 4 months ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36
Chrome 145 on Windows
View result in a separate tab
Hardcoded Array
162.4M/s
push
1.3M/s
new Array()
1.2M/s
Array.from()
62K/s
View exact numbers
Test name Executions per second
✓ Hardcoded Array 162,442,400 Ops/sec
push 1,300,973 Ops/sec
new Array() 1,219,638 Ops/sec
Array.from() 62,310 Ops/sec
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