Email Address Validate : Form Validation « Form Control « JavaScript DHTML






  1. JavaScript DHTML
  2. Form Control
  3. Form Validation

Email Address Validate

  
<HTML>
<HEAD>
<SCRIPT language="JavaScript">
<!--

function validateEmail(){
 var email_add=window.prompt("What is your e-mail address?","");
 if (email_add.indexOf("@") == -1) {
    window.alert("You need an '@' symbol in your address, please try again.");
 }
 
 if (email_add.indexOf(".") == -1){
    window.alert("You need a '.' symbol in your address, please try again.");
 }
 
 if ( (email_add.indexOf("@") != -1) && (email_add.indexOf(".") != -1) ){
    window.alert("Thanks!");
 }
}
//-->
</SCRIPT>
</HEAD>
<BODY>
<FORM>
<INPUT type="button" value="Click to enter an e-mail address" onClick="validateEmail();">
</BODY>

</HTML>








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