The optional chaining proposal also includes a way to optional execute function that may not be defined without throwing an exception
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My favorite content of November 2019 including lots of accessibility articles, regular expressions and Highlights of the HTTP Archive Web Almanac
Highlights of the statistical data of the HTTP archive Almanac.
I learned that it is possible to back reference capture groups and named capture groups in JavaScript regular expressions
The CSS backdrop-filter property lets you change the visual appearings of elements behind another element.