JS core concept strings, numbers, arrays

jsTutorial.js

var string1 = 'This is string one';
var string2 = "this is string two";
var string3 = `This is string three`;

// use single quotes inside single-quoted strings or double quotes inside double-quoted strings

var escString1 = 'it\'s okay';
var escString2 = "He said \"Goodbye\"";
var escString3 = 'She replied \'Calm down, please\'';

// 
var txt = "Welcome to JavaScript Turorial";
var txtLength = txt.length;