JS form Verification

functionOne () {varGroup = document.getElementById ("group"). Value;if(Group = = "") {Alert ("Group cannot be empty");return false;}varSS = document.getElementById ("ss"). Value;if(ss = = "") {Alert ("City cannot be empty");return false;}varSSS = document.getElementById ("SSS"). Value;if(SSS = = "") {Alert ("The county cannot be empty");return false;}}functionBoth () {varName = document.getElementById ("name"). Value;if(Name = = "") {alert ("The name cannot be empty");return false;}varPSW = document.getElementById ("PSW"). Value;if(PSW = = "") {Alert ("Password cannot be null");return false;}varNumber = document.getElementById ("number"). Value;if(Number = = "") {Alert ("mobile phone number cannot be empty");return false;}varGroups = document.getElementById ("groups"). Value;if(Groups = = "") {Alert ("Group cannot be empty");return false;}varGSS = document.getElementById ("GSS"). Value;if(GSS = = "") {Alert ("City cannot be empty");return false;}varGsss = document.getElementById ("Gsss"). Value;if(Gsss = = "") {Alert ("The county cannot be empty");return false;}}functionthree () {varUpname = document.getElementById ("Upname"). Value;if(Upname = = "") {alert ("The name cannot be empty");return false;}varUPPSW = document.getElementById ("UPPSW"). Value;if(UPPSW = = "") {Alert ("Password cannot be null");return false;}varUpnumber = document.getElementById ("Upnumber"). Value;if(Upnumber = = "") {Alert ("mobile phone number cannot be empty");return false;}varUpgroup = document.getElementById ("Upgroup"). Value;if(Upgroup = = "") {Alert ("Group cannot be empty");return false;}varUPSs = document.getElementById ("UPSs"). Value;if(UPSs = = "") {Alert ("City cannot be empty");return false;}varUpsss = document.getElementById ("Upsss"). Value;if(Upsss = = "") {Alert ("The county cannot be empty");return false;}}

<form action= "pup.php" method= "POST" onsubmit= "return Three ()" >

And so on

JS form Verification