JSFiddle - React, Tailwind, and code Playground

by Slico

JavaScript

const myConstant = 'This is constant';
var myVar = 20;

function explain() {
	const mySecondConstant = 'This is constant 2';

  console.log(myConstant); // Output: This is constant
  console.log(mySecondConstant); // Output: This is constant 2
  
  console.log(myVar); // Output: 20;

  for (let i = 0; i < 5; i++) {
    console.log(i); // Output: 0 1 2 3 4
  }

  //console.log(i) // Output: ERROR!!! (out of scope)

  for (var myVar2 = 0; myVar2 < 5; myVar2++) {
    console.log(myVar2); // Output:  0 1 2 3 4 
  }
  
  console.log(myVar2); // Output 5

}

// call the function
explain();