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ES6 classes make it easier to create objects and deal with inheritance, a basic building block of object-oriented programming.
Last updated on : 2023-03-20
Browser Versions
IE
Edge
Firefox
Chrome
Safari
Opera
Fully Supported
Partially
No Support
ECMAScript Language Specification # sec-class-definitions
ES6 classes on IE is not supported on any IE versions.
ES6 classes on Edge is fully supported on 13-111, and not supported on 12-12 Edge versions.
ES6 classes on Firefox is fully supported on 45-113, and not supported on 2-44 Firefox versions.
ES6 classes on Chrome is fully supported on 49-114, partially supported on 42-48, and not supported on 4-41 Chrome versions.
ES6 classes on Safari is fully supported on 9.1-16.4, and not supported on 3.2-8 Safari versions.
ES6 classes on Opera is fully supported on 36-95, partially supported on 29-35, and not supported on 9.5-28 Opera versions.
ES6 classes on Safari on iOS is fully supported on 9.3-16.4, and not supported on 3.2-8 Safari on iOS versions.
ES6 classes on Android Browser is fully supported on 97-111, and not supported on 2.1-4 Android Browser versions.
ES6 classes on Opera Mobile is fully supported on 64-73, and not supported on 10-12 Opera Mobile versions.
ES6 classes on Chrome for Android is fully supported on all Chrome for Android versions.
ES6 classes on Firefox for Android is fully supported on all Firefox for Android versions.
ES6 classes on Samsung Internet is fully supported on 5-20, and not supported on 4-4 Samsung Internet versions.
Data sourced from
Overall Browser Compatibility Score
Note:ES6 classes shows a browser compatibility score of 92. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.
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