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 document.getElementsByClassName (from document) vs parent.getElementsByClassName (from an element) (version: 0)

Comparing speed of that on a large sample HTML document.

Comparing performance of: document.getElementsByClassName vs parent.getElementsByClassName

Created: 6 years ago by: Guest
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HTML Preparation code:
Tests:

  • document.getElementsByClassName

  • parent.getElementsByClassName

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    document.getElementsByClassName
    parent.getElementsByClassName

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 6 years ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0
Firefox 59 on Windows
View result in a separate tab
Test name Executions per second
document.getElementsByClassName 1135474.5 Ops/sec
parent.getElementsByClassName 1392154.2 Ops/sec
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