On 10/2/11, Hamurabi Web Tech. <[email protected]> wrote:
> @Garrett,
> If I use submit button, then I can't check the form inputs using Javascript
> to validate values.
> Lets say for example I want to check wether the <input type="text"
> name="username" id="username" /> is empty? currently I use PHP to validate
> this but I wish I can do it in Javascript:
You need to do it on the server. You can do it on the client, too, but
that is for the users' convenience.
> if( document.getElementById('username').value == '')
> alert('Please enter your username');
> else
> form.submit();
>
> Any alternative way to check using JS?
>
Use `onsubmit` and return false.
<form onsubmit="return validateForm(this);">
Don't use XHTML. See also http://hixie.ch/advocacy/xhtml
--
Garrett
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