JSFiddle - React, Tailwind, and code Playground

JavaScript

const x = 10
const obj = { a:10, b:100 }

switch (x) {

  case (0): {
    let a = 0
    let b = 0
    break
  }

  case (3): {
    let a = 3
    let b = 3
    break
  }

case (10): {
    let {a,b} = obj
    console.log(a,b)
    break
  }

  default:
 
}