jQuery Add/Remove Input Fields

A script that uses event delegation and the .live() method for adding and deleting extra input form fields.

by Henry

HTML

<script src="https://code.jquery.com/jquery-1.12.0.min.js"></script>
<h2><a href="#" id="addScnt">Add Another Input Box</a></h2>

<div id="p_scents">
    <p>
        <label for="p_scnts"><input type="text" id="p_scnt" size="20" name="p_scnt" value="" placeholder="Input Value" /></label>
    </p>
</div>

CSS

* { font-family:Arial; }
h2 { padding:0 0 5px 5px; }
h2 a { color: #224f99; }
a { color:#999; text-decoration: none; }
a:hover { color:#802727; }
p { padding:0 0 5px 0; }

input { padding:5px; border:1px solid #999; border-radius:4px; -moz-border-radius:4px; -web-kit-border-radius:4px; -khtml-border-radius:4px; }

JavaScript

$(function() {
 
  $("#p_scnt").blur(function() {
      var email = "[email protected]";
      
        var isValidEmail = true;
        var failPartofEmail;
        if(email.indexOf("@") != -1)
        {
            var arry = email.split("@");
          //console.log(arry[0]) //demo
          //console.log(arry[1]) //gmail.com 
          var firstPart = arry[0];
          var secondPart = arry[1];
          var firstChar = firstPart.charAt(0);
          var lastChar = firstPart.charAt(firstPart.length-1);

           console.log("Email ID input :", secondPart);
           console.log("Before @ sign  :", firstPart);
           console.log("After @ sign  :", secondPart);
           var email_valid = /^(?!\.)(?!.*\.$)(?!.*?\.\.)[A-Za-z0-9_'.!#$%&*+=?^{|}~-]*$/;
            // ^(?!\.)(?!.*\.$)(?!.*?\.\.)[A-Za-z0-9_'.!#$%&*+=?^{|}~-]*$ // First part before @

            var startOrEndChar = /^[A-Za-z0-9_'!#$%&*+=?^{|}]$/;

            var domain_validation = /^(?!\.)(?!.*\.$)(?!.*?\.\.)[a-zA-Z0-9]+[a-zA-Z0-9-.]+[a-zA-Z0-9]$/;
            var subDomain = /^[a-zA-Z0-9-]*$/; // Allow only alphabet and - 
            var subDomainLastChar = /[a-zA-Z0-9]$/; // Last char os each subdomain
            var subDomainFirstChar = /^[a-zA-Z0-9]/; // First char os each subdomain																									
        	  if(arry.length > 2)
             {
                console.log("Invalid Email more than one @ sign.")
                isValidEmail = false;
             }
             else{

                if (firstPart.match(email_valid) && firstChar.match(startOrEndChar) && lastChar.match(startOrEndChar)) {
                  // Email address is valid
                    // console.log("Valid email");
                    
                  } else {
                     failPartofEmail = firstPart;
                     console.log("InValid email fail in domain validation.:");
                     isValidEmail = false;
                  }

                  var secondPartArray =...