undefined vs typeof vs !! (version: 0) Benchmark.js

undefined vs typeof vs !!

Comparing performance of: strict vs typeof vs !! vs void 0;

Created: 4 years ago by: Guest
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Script Preparation code:
Tests:
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    strict
    typeof
    !!
    void 0;

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36 Edg/130.0.0.0
Chrome 130 on Windows
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void 0;
198.1M/s
typeof
192.0M/s
!!
192.0M/s
strict
148.6M/s
View exact numbers
Test name Executions per second
✓ void 0; 198,056,752 Ops/sec
typeof 191,992,928 Ops/sec
!! 191,977,520 Ops/sec
strict 148,639,696 Ops/sec

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