JSFiddle - React, Tailwind, and code Playground

by nabtron

JavaScript

first = "this is first";
function one() {
  first = "this is old first";
  console.log(first);

  var first = "this is outside first";
  console.log(first);

  var i = 1;
  while(i<5){
    let first = "this is new first";
    console.log(first);
    i++;
  }

  console.log(first);

}

function two() {
  second = "this is second";
}

function three() {
  var third = 'this is third';
}

one();
two();
three();

console.log(first);
console.log(second);
//console.log(third);