Here is a simple script that I wrote using JavaScript to check if the given email format by our user is valid or not.
I am currently accepting programming work, it project, school programming projects , thesis and capstone projects, IT consulting work and web development work kindly contact me in the following email address for further details. Thank you.
My mobile number here in the Philippines is 09173084360.
I am currently accepting programming work, it project, school programming projects , thesis and capstone projects, IT consulting work and web development work kindly contact me in the following email address for further details. Thank you.
My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.
My telephone number at home here in Bacolod City, Negros Occidental Philippines is +63 (034) 4335675.
Program Listing
email.htm
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Check Email Format</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<script type="text/javascript">
function checkemail( ){
if(document.myForm.email.value.length!=0){
if(document.myForm.email.value.charAt(0)=="."||
document.myForm.email.value.charAt(0)=="@"||
document.myForm.email.value.indexOf('@',0)==-1||
document.myForm.email.value.indexOf('.',0)==-1||
document.myForm.email.value.lastIndexOf('@')==document.myForm.email.value.length-1||
document.myForm.email.value.lastIndexOf('.')==document.myForm.email.value.length-1 ) {
alert("E-mail format wrong!");
document.myForm.email.focus();
return false;
}
else {
alert("Email Format Correct!");}
}
else{
alert("Email cannot be empty!");
document.myForm.email.focus();
return false;
}
return false;
}
</script>
</head>
<body>
<center>
<h2>Check E-mail Format </h2>
<hr>
</center>
<form name="myForm" method="POST" action onSubmit="return checkemail()">
<div align="center">E-mail:
<input type="text" name="email" id="email" size="20">
<input type="submit" value="Submit" >
</div>
</form>
</body>
</html>
