Mac地址验证的javascript代码_javascript技巧

1. Broadcast mac address (FF:FF:FF:FF::FF:FF:)

2. IPv4 & IPv6 multicast mac address

3. Numeric character

code list :

代码如下:
function isValidMacAddress(address) {
var c = '';
var i = 0, j = 0;

if ((address.toLowerCase() == 'ff:ff:ff:ff:ff:ff') || (address.toLowerCase() == '00:00:00:00:00:00')) {
alert('error');
return false;
}

var addrParts = address.split(':');
if (addrParts.length != 6) {
alert('error');
return false;
}
for (i = 0; i < 6; i++){
if (addrParts[i] == ''){
alert('error');
return false;
}
}

if (addrParts[i].length != 2) {
alert('error');
return false;
}
for (j = 0; j < addrParts[i].length; j++) {
c = addrParts[i].toLowerCase().charAt(j);
if ((c >= '0' && c <= '9') || (c >= 'a' && c <='f')) {
continue;
} else {
alert('error');
return false;
}
}

if ((parseInt(addrParts[0], 16) % 2) == 1) {
alert('error');
return false;
}

return true;
}

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