jq 停止/结束多个ajax请求

　　页面按钮：

　　

<button id="song">abort</button>

　　

　　请求：

 var str = {}
     str.xhr = $.ajax({
         type: 'get',
         url: 'http://xxx.xxx.xxx.x:9202/performance/getPerformanceRankList?phone=13544511617&locale=zh&gridRank=1001&sortColumn=&order=&page=0&pageSize=10&queryStr=&_=1565081256257',
         success: function () {}
     });
     str.xhr1 = $.ajax({
         type: 'get',
         url: 'http://xxx.xxx.xxx.xx:9202/performance/getPerformanceRankList?phone=13544511617&locale=zh&gridRank=1001&sortColumn=&order=&page=0&pageSize=10&queryStr=&_=1565081256257',
         success: function () {}
     });
     str.xhr2 = $.ajax({
         type: 'get',
         url: 'http://x.xx.xxx.x:9202/performance/getPerformanceRankList?phone=13544511617&locale=zh&gridRank=1001&sortColumn=&order=&page=0&pageSize=10&queryStr=&_=1565081256257',
         success: function () {}
     });
     console.log(str.xhr,str.xhr1,str.xhr2);

　　执行 结束ajax请求，并发送新的请求：

　　

 $("#song").click(function () {
         Abort(str)
         setTimeout(function () {
             str.xhr3 = $.ajax({
                 type: 'get',
                 url: 'http://xxx.xx.xx.xx:9202/performance/getPerformanceRankList?phone=13544511617&locale=zh&gridRank=1001&sortColumn=&order=&page=0&pageSize=10&queryStr=&_=1565081256257',
                 success: function () {}
             });
         }, 500)
     })

　　结束ajax请求的方法：

function Abort(str) {
        for(var i in str){
            str[i].abort();
        }
    }