javascript/file03.js at main · jitendraKhadoliya/javascript · GitHub

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"use strict";

// rules for naming variables declare

// i can't start with number
// example :=

// 1vaule (invaild)
// var 1jitu = ("this is inavaild")

// vaule1 (vaild)
var jitu1 = 4;
console.log(jitu1 ** 3);


// only can use only underscore (_) and dollar sign ($)
// var jitu_sa = ("checking whether vaild or not ");
// console.log(jitu_sa);
// _firstName (vaild)
// first_name (vaild)
// snake case writing (_)


// first$name (vaild)
// var $jitusa = ("checking whether vaild or not ");
// console.log($jitusa);
// $firstName (vaild)

// can't use spaces
// var first name = "checking whether vaild or not ";

// first name (invaild)


// convention
// start with small latter and use camelCase

var firstName = ("checking whether vaild or not ");
console.log(firstName);