Ajax mode form Blocker

Html

<! DOCTYPE html>
Js
functionCheckName () {varUname=document.getelementbyid ("UName")    varName=Uname.value; varMessage=uname.nextsibling; if(name.length==0) {message.innerhtml= "User name cannot be empty"//This.focus ();        return false; }Else if(name.length<4| | Name.length>10) {message.innerhtml= "User name length is between 4-10 bits"return false; }Else{message.innerhtml= "User name entered correctly"return true; }}functioncheckpwd () {varUpwd=document.getelementbyid ("Upwd"); varPwd=Upwd.value; varMessage=upwd.nextsibling; if(pwd.length==0) {Message.innertext= "User password cannot be empty"return false; }Else{Message.innertext= "User password entered correctly"return true; }}functionCheck () {if(CheckName () &&checkpwd ()) {//Send Ajax//successful operation returns true otherwise false}}
You can control the jump of a form by check the return result of this function, which is true to jump
Ajax mode form Blocker