IP 地址无效化

输入：address = “255.100.50.0”
输出：”255[.]100[.]50[.]0”

let address = "255.100.50.0";
var defangIPaddr = function(address) {
    return address.replace(/\./g, '[.]');
};

let address = "255.100.50.0";
var defangIPaddr = function(address) {
    return address.split(.).join('[.]');
};