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fix(quiz): Update en-US.mdx (#408)

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Claudia Benito 2024-01-17 03:45:00 +01:00 committed by GitHub
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packages/quiz/questions/what-are-the-differences-between-variables-created-using-let-var-or-const/en-US.mdx
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@ -35,7 +35,7 @@ console.log(baz); // ReferenceError: baz is not defined
console.log(qux); // ReferenceError: qux is not defined
```
`var` allows variables to be hoisted, meaning they can be referenced in code before they are declared. `let` and `const` will not allow this, instead throwing an error.
`var` ,`let` and `const` declared variables are all hoisted. `var` declared variables are auto-initialised with an undefined value. However, `let` and `const` variables are not initialised and accessing them before the declaration will result in a `ReferenceError` exception because they are in a "temporal dead zone" from the start of the block until the declaration is processed.
```js
console.log(foo); // undefined