在访客评论上加入访客的ip地址该怎么弄？

Question

<b>谈谈你的看法吧</b></center>
<center> <textarea></textarea>
    <button>发布</button>
  <ul>IP:<script>
document.write(returnCitySN["cip"])
</script></ul></center>
  <script src="http://pv.sohu.com/cityjson?ie=utf-8"></script>
  <script>
        var txt = document.querySelector("textarea");
        var btn = document.querySelector("button");
        var ul = document.querySelector("ul");
        
        btn.onclick = function () {
            if (txt.value == "") {
                alert("您没有输入内容")
            } else {
                
                var li = document.createElement("li");
                
                li.innerHTML = txt.value + "删除"
                txt.value = "";
                
                ul.insertBefore(li, ul.children[0]);
                
                var as = document.querySelectorAll("a");
                
                for (var i = 0; i < as.length; i++) {
                    as[i].onclick = function () {
               
                        ul.removeChild(this.parentNode);
                    }
                }
            }
        }
</script>
我想要在访客评论上加入访客的ip地址，该怎么弄，最好用js来。

Answer 1

https://blog.csdn.net/webot123456/article/details/115718969
https://www.jb51.net/article/261622.htm