复选框全选
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>复选框</title> <style type="text/css"> </style> </head> <body> <input type="checkbox" id="boxid" οnclick="setAllNo()" />全选/全不选 <br /> <input type="checkbox" name="love" />篮球 <br /> <input type="checkbox" name="love" />排球 <br /> <input type="checkbox" name="love" />羽毛球 <br /> <input type="checkbox" name="love" />乒乓球 <br /> <input type="button" value="全选" οnclick="setAll()" /> <input type="button" value="全不选" οnclick="setNo()" /> <input type="button" value="反选" οnclick="setOthers()" /> <script type="text/javascript"> //全选/全不选操作 function