未捕获的错误：语法错误，无法识别的表达式：/

Question

我仅在主页中收到此错误。我该如何解决这个问题？
如果我访问example.com但它的作品很好，当我参观example.com/index.html

$(document).ready(function() { 
    var url = 
     window.location.href; 
    var start = url.substr(url.indexOf("#")); 
    $(start).collapse('show'); 
    $('.collapse.in').prev('.panel-heading').addClass('active'); 
    $("#accordion, #bs-collapse").on("show.bs.collapse", function(a) { 
     $(a.target).prev('.panel-heading').addClass('active'); 
     var curr = 
      $(a.target).attr("id"); 
     var url = window.location.href; 
     var start = window.location.hash; 
     if (start.length > 0) { 
      window.location.href = url.replace(start, "#" + curr); 
     } else { 
      window.location.href = url + "#" + curr; 
     } 
     $("#accordion, #bs-collapse").on('hide.bs.collapse', 
      function(a) { 
       $(a.target).prev('.panel-heading').removeClass('active'); 
      }); 
    }); 
}); 

Answer 1

试试下面的代码

你只需要这些代码在你的payments.html page.But它被称为每一个地方，它导致错误

$(document).ready(function() { 
    if ($(".panel-group").length > 0) { 
     var url = window.location.href; 
     var start = url.substr(url.indexOf("#")); 
     $(start).collapse('show'); 
     $('.collapse.in').prev('.panel-heading').addClass('active'); 
     $("#accordion, #bs-collapse").on("show.bs.collapse", function(a) { 
      $(a.target).prev('.panel-heading').addClass('active'); 
      var curr = 
       $(a.target).attr("id"); 
      var url = window.location.href; 
      var start = window.location.hash; 
      if (start.length > 0) { 
       window.location.href = url.replace(start, "#" + curr); 
      } else { 
       window.location.href = url + "#" + curr; 
      } 
      $("#accordion, #bs-collapse").on('hide.bs.collapse', 
       function(a) { 
        $(a.target).prev('.panel-heading').removeClass('active'); 
       }); 
     }); 
    } 
});