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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | <!DOCTYPE html> <html> <head> <title>hello</title> <script src='./js/jquery-1.11.1.js'></script> <script src='./js/ch15.js'></script> <style> </style> <script> $(document).ready(function() { $('#all-check').change(function(){ if(this.checked){ $('#check-item').children().prop('checked',true); }else{ $('#check-item').children().prop('checked',false); } }); }); //ready </script> </head> <body> <input type='checkbox' id='all-check' /> <label>All</label> <div id='check-item'> <input type='checkbox' /> <label>A option</label> <input type='checkbox'/> <label>B option</label> <input type='checkbox'/> <label>C option</label> </div> </body> </html> |
