The flollowing code is a question asked me for an interview.....Anyone can help me how to validate this form professionaly.....using javascript. please help me........
1. Consider the following fragment of HTML.
<SCRIPT LANGUAGE=javascript>
<!--
function checkRequired() {
...
}
//-->
</SCRIPT>
...
<form name=RegForm method=post onsubmit="checkRequired()">
<table>
<tr><td>*Title:</td>
<td><select name=Title>
<option selected>Mr</option>
<option>Mrs</option>
<option>Ms</option>
<option>Miss</option>
</select></td></tr>
<tr><td>First name:</td>
<td><input type=text name=FirstName size=20 maxlength=20 value=''></td></tr>
<tr><td>Last name:</td>
<td><input type=text name=LastName size=20 maxlength=20 value=''></td></tr>
<tr><td>Date of birth:</td>
<td><input type=text name=DOB size=20 maxlength=20 value=''>
<tr><td>Address:</td>
<td><input type=text name=Address size=30 maxlength=128 value=''></td></tr>
<tr><td>Town:</td>
<td><input type=text name=Town size=30 maxlength=40 value=''></td></tr>
<tr><td>County:</td>
<td><input type=text name=County size=30 maxlength=40 value=''></td></tr>
<tr><td>Postcode:</td>
<td><input type=text name=PostCode size=20 maxlength=10 value=''></td></tr>
<tr><td>Email:</td>
<td><input type=text name=Email size=30 maxlength=64 value=''></td></tr>
</table>
</form>
...
Write the checkRequired function to check all information fields inputted by user (all fields are mandatory).The function must check the validity of every parameter (on the basis of rational acceptability) and make a proper
(case-sensitive) formatting for the all form's text fields.
I UNDERSTAND...........AND ALSO UNDERSTAND THAT YOU KNOW NOTHING OHTERTHAN MAKING SILLY COMMENTS 
