how to write variable in javascript code example

Example 1: how 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 and

Example 2: how to define variable in javascript

var <variable-name>;

var <variable-name> = <value>;

Example 3: javascript define variable

var variable1 = "some variable content";