Ajax tested on this machine using Firefox

ajax:

     (function(){
         for(let selectPage = 1; selectPage <= pagesNumber; selectPage++ ) {
             if(selectPage != page) {
                 btn[selectPage].onclick = function(){
                     var result = $.ajax({
                         url: './something.json',    //  :./asset/host_last
                         data: {"selectPage": selectPage},
                         dataType: 'JSON',
                         type: 'get',
                         success: function(){
                             console.log("success");
                         }
                     });
                     console.log(result.responseText);
                 };
             }
         }
     })();

something.json:

{
    "IP地址":"something",
    "主机名":"something",
    "产品":"something",
    "应用":"something",
    "机柜编号":"something",
    "使用状态":"something",
    "备注":"something"
}