This article says that PA uses popular vote & electors are selected in December. Do all states not pick electors till after Election Day?

https://www.ydr.com/story/news/politics/elections/2020/09/26/pa-republicans-say-they-wont-choose-electors/3538437001/

EAS messages going off last night in PA. Was an amber alert & was on tv & phones. Saw on Twitter it startled everyone.