Dev Community

On Facebook groups- most are scams.
On SFO - strict.
On Reddit - Somehow helpful
On Telegram - 'nobody cares about you'
On Wechat or CSDN - They curse you.
On Dev.to - incomplete.
On Gitter - 'no body cares'
On slack - boring.
On Naver blog - somewhat helpful.
On whatsapp - crypto referal links everywhere
On Twitter - 'JAVASCRIPT bla bla bla'
On Google GRoups - classic
On discord - friendly

So far what I experienced, what about you guys?

in math someone said that if
x = x / 0 then x = undefined

he must be using a js calculator