js 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 reassignedvar Number = 5;
var String = "Hi!";
var boolen1 = true;
var boolen2 = false;
var array = [11, "Hi!", true];
var object = {age:11, speach:"Hi!", likes_Bananas:true};var user_name = prompt("Please enter your name:", "Type here");
alert("Hello " + user_name);//Assigns the value bar to the variable foo
var foo = bar;var <variable-name>;

var <variable-name> = <value>;
var variable1 = "some variable content";