javascript declaring variables 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: js variables
// let & var are both editable variables:
var cow = 'moo';
let pig = 'oink';
cow = 10;
pig = 10;
// const is a permanent variable; you cannot change it.
const uncuttableGrass = '\/\/';
uncuttableGrass = '___';
// above throws an error
Example 4: Create variable javascript
//Assigns the value bar to the variable foo
var foo = bar;
Example 5: how to declare variables javascript
//variables are a way to easily store data in javascript
//variables are declared by the var keyword, example...
var x = 10;
//or
var dog_name = "daisy";
//which can also be written as
var dog_name = 'daisy';
//same thing with single quotes and double quotes
Example 6: javascript variable declaration
var name = "mamama";
document.write(name);
// Outputs "mamama"