IF3110-01-Simple-Blog/valid_date.html at master · jcqln/IF3110-01-Simple-Blog · GitHub

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<html>
<head>
<title>Validasi Data Melalui onsubmit</title>
<script type="text/javascript">


//cek tanggal nge-post bukan lampau
function checkdate()
{ var validformat=/^\d{4}\/\d{2}\/\d{2}$/ //Basic check for formatvalidity
var returnval=false
if (!validformat.test(formTes.benar.value))
alert("Invalid Date Format. Please correct and submit again.")
else
{ //Detailed check for valid date ranges
var yearfield=formTes.benar.value.split("/")[0]
var monthfield=formTes.benar.value.split("/")[1]
var dayfield=formTes.benar.value.split("/")[2]
var dayobj = new Date(yearfield, monthfield-1, dayfield)
if(((dayobj.getFullYear()!=yearfield) dayobj.getMonth()+1!=monthfield)||(dayobj.getDate()!=dayfield))
alert("Invalid Day, Month, or Year range detected. Please correct and submit again.")
else
returnval=true
}
if (returnval==false) formTes.lahir.select()
return returnval
}
</script>
</head>
<body>
<form name="formTes" action="tesform.html" method="get" onsubmit="return
cekData();">
<table>
<tr><td>Tgl Lahir:</td><td><input type="text" name="lahir" /> <b>Valid date
format:</b> dd/mm/yyyy</td>
<tr><td>e-mail:</td><td><input type="text"
name="email" /></td>
<tr><td colspan="2"><input name="kirim" type="submit" value="Kirim" />
<button type="submit" name="button1" onclick="confirm_clear();">Clear</button>
</td></tr>
</table>
</form>
</body>
</html>