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 define variable in javascript
var <variable-name>;
var <variable-name> = <value>;how to declare a variable js
//let and var are both editable variables and can be changed later on in your program;
let dog = 'Woof';
//dog is equal to the string 'Woof';
dog = false;
//You can changed the value of dog now because it was defined with let and not const;
let cow = 'Moo';
//cow is equal to the string 'Moo';
cow = true;
//You can change the value of cow later on because it is not defined with const;
//const is used when declaring a variable that can't be changed later on -- const stands for constant;
const pig = 'oink';
//This assigns the string 'oink' to pig which can not be changed because it is defined with const;
pig = 'snort';
//Above throws an error
//Good Job you now know how to declare variables using JavaScript!!!Create variable javascript
//Assigns the value bar to the variable foo
var foo = bar;javascript define variable
var variable1 = "some variable content";how to create variables using javascript
var myVar; //unitialized variable( can be intiallized later )
var number = 1; //number
var string = " hello world " ; //string
var boolean = true ; //boolean
myVar = function(){ //variable can hold function
};Copyright © 2021 Codeinu
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