Also calling this new in 2020, is a stretch. It has been available since Chrome 42 (we are in 85 at the moment I write this), and was officially introduced to the standard in ES2015 (popularly known as ES6).
You could've said that similarly to arrow functions, includes, and a bunch of other array methods, this is not available on IE11.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Might be better to just post the MDN link.
Also calling this new in 2020, is a stretch. It has been available since Chrome 42 (we are in 85 at the moment I write this), and was officially introduced to the standard in ES2015 (popularly known as ES6).
You could've said that similarly to arrow functions,
includes, and a bunch of other array methods, this is not available on IE11.