() determines whether an array contains a given element and returns either true or false. The () method defined on the Array prototype is one of the two new features that ECMAScript 2016 standardizes.

on Samsung Internet is fully supported on 5-20, partially supported on None of the versions, and not supported on 4-4 Samsung Internet versions.ECMAScript 2016: () February 3, 2016.on Firefox for Android is fully supported on 95-110, partially supported on None of the versions, and not supported on below 95 Firefox for Android versions.

on Chrome for Android is fully supported on 97-111, partially supported on None of the versions, and not supported on below 97 Chrome for Android versions.on Opera Mobile is fully supported on 64-73, partially supported on None of the versions, and not supported on 10-12 Opera Mobile versions.

on Android Browser is fully supported on 97-111, partially supported on None of the versions, and not supported on 2.1-4 Android Browser versions.

on Safari on iOS is fully supported on 9.3-16.4, partially supported on None of the versions, and not supported on 3.2-8 Safari on iOS versions.

on Opera is fully supported on 34-95, partially supported on None of the versions, and not supported on 9.5-33 Opera versions.

on Safari is fully supported on 9.1-16.4, partially supported on None of the versions, and not supported on 3.2-8 Safari versions.

on Chrome is fully supported on 47-114, partially supported on None of the versions, and not supported on 4-46 Chrome versions.

on Firefox is fully supported on 43-113, partially supported on None of the versions, and not supported on 2-42 Firefox versions.

on Edge is fully supported on 14-111, partially supported on None of the versions, and not supported on 12-13 Edge versions.

on IE is fully supported on None of the versions, partially supported on None of the versions, and not supported on 5.5-11 IE versions.

Array includes js