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<!DOCTYPE html> <html> <head> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.12.0.min.js"></script> <script> $(document).ready(function(){ $(".mienbac input[type='checkbox']:checked").wrap("<span style='background-color:blue'>"); }); </script> </head> <body> <div class="miennam"> <input type="checkbox" name="city" value="ct"> Cần Thơ <input type="checkbox" name="city" value="vl" checked> Vĩnh Long <input type="checkbox" name="city" value="st"> Sóc Trăng </div> <div class="mienbac"> <input type="checkbox" name="city" value="hn"> Hà Nội <input type="checkbox" name="city" value="hp" checked> Hải Phòng <input type="checkbox" name="city" value="hy"> Hưng Yên </div> </body> </html>
<!DOCTYPE html> <html> <head> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.12.0.min.js"></script> <script> $(document).ready(function(){ $(".mienbac input[type='checkbox']:checked").wrap("<span style='background-color:blue'>"); }); </script> </head> <body> <div class="miennam"> <input type="checkbox" name="city" value="ct"> Cần Thơ <input type="checkbox" name="city" value="vl" checked> Vĩnh Long <input type="checkbox" name="city" value="st"> Sóc Trăng </div> <div class="mienbac"> <input type="checkbox" name="city" value="hn"> Hà Nội <input type="checkbox" name="city" value="hp" checked> Hải Phòng <input type="checkbox" name="city" value="hy"> Hưng Yên </div> </body> </html>