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Run results for: document.getElementById vs GetChildElementById

Comparing speed of getting element by id with two different methods.

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0
Firefox 59
Windows
Other
6 years ago
Test name Executions per second
Native method 1185311.0 Ops/sec
Custom method 378755.9 Ops/sec
Website performance monitoring
HTML Preparation code:
Script Preparation code:
Tests:

  • Native method

  • Custom method