ES-Checker, a feature detection library for ECMAScript

In plain words

ES-Checker is a feature detection library for ECMAScript that helps developers identify which JavaScript features are supported in their environment. Launched in 2015, it allows users to test for compatibility with various ECMAScript standards without manual feature checks. The tool is useful for developers who need to ensure their code works across different JavaScript implementations and browser versions.

written from the facts on this page · September 2026

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