JSFiddle - React, Tailwind, and code Playground

by dmitri_pavlutin

JavaScript

if (true) {
  // Declare name block variable
  let month;  
  console.log(month); // => undefined  
  // Declare and initialize year block variable
  let year = 1994;  
  console.log(year); // => 1994
}
// name and year or not accessible here, outside the block
console.log(year); // ReferenceError: year is not defined