This website uses javascript and forms to allow you to check what has been entered within a form and to check if valid.
HTML:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional1.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head><title>Chapter 14</title>
<link href="css1.css" rel="stylesheet" type="text/css" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript">
<!-- <![CDATA[
function validateForm()
{
if (document.forms[0].userAge.value < 18)
{
alert ("Age is less than 18, you are not an adult.");
return false;
}
alert("Age is valid.");
return true;
}
// ]]> -->
</script>
</head>
<body>
<h1>JavaScript Form Handling</h1>
<form method="post" action="http://webdevfoundations.net/scripts/formdemo.asp" onsubmit="return validateForm();">
<div>
<label for="userName">Name:</label>
<input type="text" name="userName" id="userName" />
<div>
<div>
<label for="userAge">Age:</label>
<input type="text" name="userAge" id ="userAge" />
</div>
<div>
<input type="submit" value="Send information" />
</div>
</form>
</body>
</html>
CSS:
body
{
background-color: #FFFFFF;
color: #000000;
font-size: 12px;
font-family: Arial, Verdana, sans-serif;
margin: 0px;
}
div
{
padding-bottom: 10px;
width: 250px;
text-align: right;
}
label
{
padding-right: 5px;
}
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