Workshop › Hangman › Step 8 of 36

Remember the guesses

What we are doing

The letters you have tried go into a Set. masked() then shows a letter if it is in the Set, and _ if not.

```js
let word
let guessed // a Set of the letters tried so far

// The word with the letters not guessed yet hidden: 'C _ S T _ E'.
const masked = () => [...word].map((letter) => (guessed.has(letter) ? letter : '_')).join(' ')

function newWord() {
  word = WORDS[Math.floor(Math.random() * WORDS.length)]
  guessed = new Set()
}
```

What it means

let guessed will hold the letters tried so far; new Set() in newWord starts it empty for every word.
guessed.has(letter) is true if the letter was tried.
condition ? a : b is a short if: a when the condition is true, b otherwise. So a tried letter shows itself, an untried one shows _.

Your turn

Under let word write let guessed ....
Write the comment above masked, and change its '_' to the ? : form.
In newWord, under the word = ... line, write guessed = new Set(). Press Run.

Skills: Arrays and objects, Game states

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