timeout

Node.js

  1. setTimeout(callback, 1e3)
  3. function callback() {
  4.   console.log('called')
  5. }

Output

  1. called

Go

  1. package main
  3. import (
  4.     "fmt"
  5.     "sync"
  6.     "time"
  7. )
  9. var wg sync.WaitGroup
  11. func callback() {
  12.     defer wg.Done()
  13.     fmt.Println("called")
  14. }
  16. func main() {
  17.     wg.Add(1)
  18.     time.AfterFunc(1*time.Second, callback)
  19.     wg.Wait()
  20. }

Output

  1. called