Regarding node.js, please give me some advice, thank you (⊙ o ⊙)

Question

Hello everyone, may I ask what the main function of node.js is? Are many companies using it now? How to learn node.js well

Answer 1

Master, I don’t know how. The absence of Doudou will not affect you. Accept me. Thank you. It’s really annoying to watch the video without Doudou.