Thisbookisorganizedsuchthatonlythemostessentialinformationisprovidedtoyouineachchaptersoastomaximizeyourlearning.Examplesandtutorialsaregiveninaneasytofollow,step-by-stepmannersothatyoucanseehowthetestingprocessisbeingcarriedoutandhowthecodeisbeingwritten.Thesourcecodealsocontainsdetailedexplanationsothatyouknowwhatthecodeisdoing.Multiplescreenshotsareusedinplacesthatmattersothatyouhaveavisualsenseofwhatishappening.BeginnerJavaScriptdeveloperslookingforessentialwaystowrite,test,anddebugJavaScriptfordifferentpurposesandsituations.