assigned variable not used in javascript code example

Example 1: javascript declare a variable

//choose the best for your solution
var myVariable = 22; //this can be a string or number. var is globally defined

let myVariable = 22; //this can be a string or number. let is block scoped

const myVariable = 22; //this can be a string or number. const is block scoped and can't be reassigned

Example 2: variables in js

var Hello = "World";
let bool = false;
const int = 8788;

Example 3: varaible javascript

let <var-name> = value;