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 reassignedhow to change a variables value in javascript
var variable = 10;
function start() {
variable = 20;
}
console.log(variable + 20);
// Answer will be 40 since the variable was changed in the functionhow to write a variable in js
//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 andjs variable
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};javascript variable
var user_name = prompt("Please enter your name:", "Type here");
alert("Hello " + user_name);variable in js
////We can define variables in 3 ways {var,let,const}///////
////syntax- var variable_name=value;
///// let variable_name=value;
/////const variable_name=value;
var myfristvariable="neha jaiswal";
const mysecondvariable=80;
let mythirdvar=abc;Copyright © 2021 Codeinu
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