Full version: jsB@nk » Email » E-mail Address Validation
URL: https://www.javascriptbank.com/email-address-validation.html
This JavaScript verifies the given value as a possible valid e-mail address.
Full version: jsB@nk » Email » E-mail Address Validation
URL: https://www.javascriptbank.com/email-address-validation.html
<script type="text/javascript"><!-- Begin/* Created by: Anita Sudhakar :: http://www.smartwebby.com/DHTML/email_validation.asp */function echeck(str) { var at="@" var dot="." var lat=str.indexOf(at) var lstr=str.length var ldot=str.indexOf(dot) if (str.indexOf(at)==-1){ alert("Invalid E-mail ID") return false } if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){ alert("Invalid E-mail ID") return false } if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){ alert("Invalid E-mail ID") return false } if (str.indexOf(at,(lat+1))!=-1){ alert("Invalid E-mail ID") return false } if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){ alert("Invalid E-mail ID") return false } if (str.indexOf(dot,(lat+2))==-1){ alert("Invalid E-mail ID") return false } if (str.indexOf(" ")!=-1){ alert("Invalid E-mail ID") return false } return true }function ValidateForm(){ var emailID=document.frmSample.txtEmail if ((emailID.value==null)||(emailID.value=="")){ alert("Please Enter your Email ID") emailID.focus() return false } if (echeck(emailID.value)==false){ emailID.value="" emailID.focus() return false } return true }// End --></script><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com--><form name="frmSample" method="post" action="#" onSubmit="return ValidateForm()"> <p>Enter an E-mail Address : <input type="text" name="txtEmail"> <input type="submit" name="Submit" value="Submit"> </p></form><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com-->