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<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<meta name="description" content="Demo Contoh Script Tutorial Ajax Chat Online Support" />
<meta name="keyword" content="tutorial ajax,script ajax,ajax,tutorial,script,contoh,php,javascript" />
<meta name="author" content="bobybibbob - catment.blogspot.com" />
<title>Tutorial Javascript Validasi Form (Javascript Form Validation) - catment.blogspot.com</title>
<script type="text/javascript">
<!--
/*validate*/
function isValid(form)
{
var valid=true;
var message='';
if(!form.alnum.value.match(/^[a-z]+$/i))
{
message='-Please insert alfanumerik with alfanumeric characters only.';
valid=false;
}
if(!form.digit.value.match(/^[0-9]+$/))
{
message+='\n-Please insert digit with numbers only.';
valid=false;
}
if(!form.username.value.match(/^[a-z0-9._]+$/i))
{
message+='\n-Please insert username with a-z, 0-9, _ and . charachters only.';
valid=false;
}
if(!form.email.value.match(/^([a-z0-9_]+[.])*[a-z0-9_]+@([a-z0-9_-]+[.])+[a-z]+$/i))
{
message+='\n-Please insert email with valid email address.';
valid=false;
}
if(form.pass.value=='' || form.pass.value.length<6)
{
message+='\n-Please insert password (Min. 6 Chars).';
valid=false;
}
if(form.pass_conf.value!=form.pass.value)
{
message+='\n-Confirm password not equal with password.';
valid=false;
}
if(form.combo.value=='')
{
message+='\n-Please select combo box.';
valid=false;
}
var valid_check=false;
for(i=0;i<form.check.length;i++)
{
if(form.check[i].checked==true)
{valid_check=true;}
}
message+=((valid_check==false)?'\n-Please select check box.':'');
var valid_radio=false;
for(i=0;i<form.radio.length;i++)
{
if(form.radio[i].checked==true)
{valid_radio=true;}
}
message+=((valid_radio==false)?'\n-Please select radio.':'');
if(form.textarea.value=='')
{
message+='\n-Please insert textarea.';
valid=false;
}
if(valid==false)
{alert(message);}
return valid;
}
/*--------*/
//-->
</script>
</head>
<body>
<form method="post" onsubmit="return isValid(this);">
<table>
<tr>
<td>Alfanumerik [A-Za-z0-9]</td>
<td><input type="text" name="alnum" /></td>
</tr>
<tr>
<td>Digit [0-9]</td>
<td><input type="text" name="digit" /></td>
</tr>
<tr>
<td>Username [A-Za-z0-9()._]</td>
<td><input type="text" name="username" /></td>
</tr>
<tr>
<td>Email</td>
<td><input type="text" name="email" /></td>
</tr>
<tr>
<td>Password (Min. 6 Chars)</td>
<td><input type="text" name="pass" /></td>
</tr>
<tr>
<td>Confirm Password</td>
<td><input type="text" name="pass_conf" /></td>
</tr>
<tr>
<td>Combo box</td>
<td>
<select name="combo">
<option value="">--Select Combo Box--</option>
<option value="1">Opt 1</option>
<option value="2">Opt 2</option>
</select>
</td>
</tr>
<tr>
<td>Check Box</td>
<td>
<input type="checkbox" name="check" value="1" /> Opt 1
<input type="checkbox" name="check" value="2" /> Opt 2
</td>
</tr>
<tr>
<td>Radio</td>
<td>
<input type="radio" name="radio" value="1" /> Opt 1
<input type="radio" name="radio" value="2" /> Opt 2
</td>
</tr>
<tr>
<td>Text Area</td>
<td><textarea name="textarea"></textarea></td>
</tr>
</table>
<input type="submit" value="Submit" />
</form>
</body>
</html>
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