1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="UTF-8"> 5 <title></title> 6 <script src="../jquery/jquery.js"></script> 7 </head> 8 <body> 9 <div class="add-text"> 10 <div class="sel-list"> 11 <select class="sele-style"> 12 <option value ="1">请选择省份</option> 13 <option value ="2">北京</option> 14 <option value="3">天津</option> 15 <option value="4">上海</option> 16 </select> 17 </div> 18 <div class="sel-list"> 19 <select class="sele-style"> 20 <option value ="1">请选择市</option> 21 <option value ="2">北京</option> 22 <option value="3">天津</option> 23 <option value="4">上海</option> 24 </select> 25 </div> 26 <div class="sel-list"> 27 <select class="sele-style"> 28 <option value ="1">请选择区县</option> 29 <option value ="2">北京</option> 30 <option value="3">天津</option> 31 <option value="4">上海</option> 32 </select> 33 </div> 34 </div> 35 <script type="text/javascript"> 36 var unSelected = "#999"; 37 var selected = "#333"; 38 $(function () { 39 $("select").css("color", unSelected); 40 $("option").css("color", selected); 41 $("select").change(function () { 42 var selItem = $(this).val(); 43 if (selItem == $(this).find('option:first').val()) { 44 $(this).css("color", unSelected); 45 } else { 46 $(this).css("color", selected); 47 } 48 }); 49 }) 50 </script> 51 </body> 52 </html>