JSFiddle - React, Tailwind, and code Playground

JavaScript

var myVariable = 'Hello';
    alert('value: ' + myVariable);
    myFunction1();
    function myFunction1() {
        myVariable = 'Hello 1';
    }
    alert('value: ' + myVariable);
    myFunction2();
    function myFunction2() {
        myVariable = 'Hello 2';
    }
    alert('value: ' + myVariable);