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موضوع اسكريپت چك كردن IP Address
بوسيله اين اسكريپت كاربر مي تواند چك كند كه عدد وارد شده در ميدان
متني IP مي باشد يا خير .
<!-- TWO STEPS TO INSTALL VALIDATION (IP
ADDRESS):
1. Copy the coding into the HEAD of your HTML document
2. Add the last code into the BODY of your HTML document -->
<!-- STEP ONE: Paste this code into the HEAD of your HTML document
-->
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function verifyIP (IPvalue) {
errorString = "";
theName = "IPaddress";
var ipPattern = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
var ipArray = IPvalue.match(ipPattern);
if (IPvalue == "0.0.0.0")
errorString = errorString + theName + ': '+IPvalue+' is a special IP
address and cannot be used here.';
else if (IPvalue == "255.255.255.255")
errorString = errorString + theName + ': '+IPvalue+' is a special IP
address and cannot be used here.';
if (ipArray == null)
errorString = errorString + theName + ': '+IPvalue+' is not a valid
IP address.';
else {
for (i = 0; i < 4; i++) {
thisSegment = ipArray[i];
if (thisSegment > 255) {
errorString = errorString + theName + ': '+IPvalue+' is not a valid
IP address.';
i = 4;
}
if ((i == 0) && (thisSegment > 255)) {
errorString = errorString + theName + ': '+IPvalue+' is a special IP
address and cannot be used here.';
i = 4;
}
}
}
extensionLength = 3;
if (errorString == "")
alert ("That is a valid IP address.");
else
alert (errorString);
}
// End -->
</script>
</HEAD>
<!-- STEP TWO: Copy this code into the BODY of your HTML document
-->
<BODY>
<form>
IP Address:
<input size=15 name="IPvalue">
<input type="submit" value="Verify"
onClick="verifyIP(IPvalue.value)";>
</form>
<p><center>
<font face="arial, helvetica" size"-2">Free JavaScripts provided<br>
by ostadonline
</center><p>
<!-- Script Size: 1.91 KB -->
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