declaring a variable 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: javascript variable

var user_name = prompt("Please enter your name:", "Type here");
alert("Hello " + user_name);

Example 3: variables in js

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

Example 4: how to define variable in javascript

var <variable-name>;

var <variable-name> = <value>;

Example 5: javascript define variable

var variable1 = "some variable content";

Example 6: html define javascript variable

<script>
var 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};
</script>