Review:

Es9 Features

overall review score: 4.5
score is between 0 and 5
The es9-features refer to the features and improvements introduced in ECMAScript 2018, also known as ES9.

Key Features

  • Asynchronous iteration
  • Promise.finally
  • Rest/spread properties for objects
  • RegExp feature updates

Pros

  • Improved asynchronous programming capabilities
  • Enhanced error handling with Promise.finally
  • Simplified object manipulation with rest/spread properties

Cons

  • May require developers to adapt to new syntax and features

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Last updated: Tue, Apr 21, 2026, 12:42:32 PM UTC