swapping

Node.js

  1. let a = 'foo'
  2. let b = 'bar'
  4. console.log(a, b);
  6. [b, a] = [a, b]
  8. console.log(a, b)

Output

  1. foo bar
  2. bar foo

Go

  1. package main
  3. import "fmt"
  5. func main() {
  6.     a := "foo"
  7.     b := "bar"
  9.     fmt.Println(a, b)
  11.     b, a = a, b
  13.     fmt.Println(a, b)
  14. }

Output

  1. foo bar
  2. bar foo