instanceof vs string

Measure the performance of instanceOf operator vs comparing a basic string type.
one month ago
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.114 Safari/537.36 OPR/89.0.4447.64 (Edition GX-CN)
Test name Executions per second
instanceof 5453667.0 Ops/sec
string type 14083800.0 Ops/sec
HTML Preparation code:
Script Preparation code:
  • instanceof

  • string type

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