How can I style even and odd elements?

Question

Is it possible to use CSS pseudo-classes to select even and odd instances of list items?

I\'d expect the following to produce a list of alternating colors, but inste

Answer 1

 

          1
Ashwin Nair
           2
Anil Reddy
           0
Chirag
           0
Ashwin
           0
Ashwin
            0
Ashwin
           5
Ashwin
           6
Ashwin
           1
Ashwin
           2
Anil Reddy
           0
Bhavesh
           0
Ashwin
           0
Ashwin
            0
Ashwin
           5
Ashwin
           6
Ashwin
           1
Ashwin

         
    
$(document).ready(function(){
      var a=0;
      var ac;
      var ac2;
        $(".names li").click(function(){
           var b=0;
            if(a==0)
            {
              var accc="#"+ac2;
     if(ac=='part2')
     {
    $(accc).css({

    "background": "#322f28",
    "color":"#fff",
    });
     }
     if(ac=='part1')
     {

      $(accc).css({

      "background": "#3e3b34",
      "color":"#fff",
    });
     }

              $(this).css({
                "background":"#d3b730",
                "color":"#000",
            });
              ac=$(this).attr('class');
              ac2=$(this).attr('id');
    a=1;
            }
            else{

    var accc="#"+ac2;
    //alert(accc);
     if(ac=='part2')
     {
    $(accc).css({

    "background": "#322f28",
    "color":"#fff",
    });
     }
     if(ac=='part1')
     {

      $(accc).css({

      "background": "#3e3b34",
      "color":"#fff",
    });
     }

     a=0;
    ac=$(this).attr('class');
    ac2=$(this).attr('id');
    $(this).css({
                "background":"#d3b730",
                "color":"#000",
            });

            }

        });