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I am trying to invoke a form validation when clicked on ordinary button. This seems to work good with jQuery, but not with plain javascript. Can anyone explain this difference between jquery's .submit() and javascript's .submit() methods? Or what am I doing wrong?
<html>
<head>
<title>Form Submit</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script>
<script type="text/javascript">
function validateForm(form) {
if (form.username.value=='') {
alert('Username missing');
return false;
}
return true;
}
</script>
</head>
<body>
<form action="index.php" name="loginform" method="post" onsubmit="return validateForm(this);">
<input name="username" placeholder="username" required="required" type="text" />
<input name="send1" type="button" value="Login1" onclick="$(document.forms.loginform).submit();" />
<input name="send2" type="button" value="Login2" onclick="document.forms.loginform.submit();" />
<input name="send3" type="submit" value="Login3" />
<a href="" onclick="event.preventDefault(); $(document.forms.loginform).submit();"> Login4 </a>
<a href="" onclick="event.preventDefault(); document.forms.loginform.submit();"> Login5 </a>
</form>
</body>
</html>
737
No, it's not deprecated! Deprecated = Not current. Obsolete = no longer available.
jQuery submit() Method The submit event occurs when a form is submitted. This event can only be used on <form> elements. The submit() method triggers the submit event, or attaches a function to run when a submit event occurs.
Definition and Usage. The submit() method submits the form (same as clicking the Submit button). Tip: Use the reset() method to reset the form.
You need to do two things if validation fails, e. preventDefault() and to return false. This really works. Thanks!
The DOM submit() method does not trigger submit events. jQuery's does.
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