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if (true) {

    // this 'if' conditional block creates a new scope because we use 'let'

  const name = 'Prince' // name is local to the if block

  console.log(name) // logs 'Prince' 

}

​

console.log('----')

console.log(name) // <--- prints nothing because the 'name' variable can only be accessed from within the block (due to the use of 'let')

​