instanceof vs typeof 3 (version: 1)

Comparing performance of: instanceof vs typeof vs typeof no function vs typeof obj or string vs new Ojb vs string or obj

Created: one year 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
    instanceof
    typeof
    typeof no function
    typeof obj or string
    new Ojb
    string or obj

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0
Firefox 133 on Linux
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typeof
1445.6M/s
new Ojb
1102.1M/s
typeof obj or string
717.2M/s
typeof no function
712.6M/s
instanceof
129.4M/s
string or obj
43.2M/s
View exact numbers
Test name Executions per second
✓ typeof 1,445,575,296 Ops/sec
new Ojb 1,102,101,632 Ops/sec
typeof obj or string 717,184,768 Ops/sec
typeof no function 712,616,832 Ops/sec
instanceof 129,415,968 Ops/sec
string or obj 43,195,492 Ops/sec

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