What are the things every Web developer should know? 什么是每个前端开发者都应该知道的事情？

[xrr2016]

联动贴

https://www.reddit.com/r/iOSProgramming/comments/j0r0b4/what_are_the_things_every_ios_developers_should/

https://www.reddit.com/r/FlutterDev/comments/j1ct29/what_are_the_things_every_flutter_developer/