jquery var 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: jquery declare variable

var foo = 'some string';

// Popular pattern for variables that contains the result of a call in HTML:
var $foo = $('.foo'); // it's a valid name in jQuery

Example 3: javascript variable

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