/javascript-iterations-performance-test

Performance test of JavaScript iterations

Primary LanguageJavaScriptMIT LicenseMIT

Performance test of JavaScript iterations

We have few techniques to iterate over the arrays, objects and strings.

Tested the each technique with 1 Million iterations and executed the test.js file for 5 times using the for i in {1..5}; node test.js; command.

Results

  • While loop - 1.4ms
  • Do while loop - 0.8ms
  • For loop - 0.8ms
  • For Of loop - 9.5ms
  • For In loop - 137ms
  • Map method - 8.5ms
  • Filter method - 7.2ms
  • Reduce method - 6.4ms
  • Sort method - 11.7ms
  • Every method - 7.2ms
  • Some method - 6.8ms
  • Chaining methods - 16.3ms