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Discussion on: Using arrow functions might be costing you performance

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sleeplessbyte profile image
Derk-Jan Karrenbeld

This might be more interesting to compare: jsperf.com/fufufufu/3

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karataev profile image
Eugene Karataev

In my test run the results are almost the same for all three tests (ops/sec varies +-1%).

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sleeplessbyte profile image
Derk-Jan Karrenbeld

That is the point ;)

This article is pretty fear mongering and statistically incorrect 🤓.

  • Don't worry about using arrow function expressions
  • Don't worry about using implicit return

In the same line:

  • Don't worry about relying on Automatic Semicolon Insertion
  • Don't worry about using "class"es or (other) prototype-inheritance

The bottleneck of the code is not going to be in the syntax one uses.

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karataev profile image