typeof string vs nullish check (version: 1)

Comparing performance of: typeof string vs nullish check

Created: one year ago by: Registered User
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HTML Preparation code:
Script Preparation code:
Tests:

Historical Performance Data aggregated from 5 community runs

Desktop Results:
Chrome 5 runs
typeof string
13K/s
nullish check
11K/s

Fastest: typeof string (1.1x faster)

View exact numbers
  • ✓ typeof string: 12,942 ops/sec
  • • nullish check: 11,393 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
    typeof string
    nullish check

    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/133.0.0.0 Safari/537.36
Chrome 133 on Windows
View result in a separate tab
typeof string
13K/s
nullish check
9K/s
View exact numbers
Test name Executions per second
✓ typeof string 12,942 Ops/sec
nullish check 8,638 Ops/sec

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