我看到了另一个问题的答案here，该问题在选择下拉菜单选项后就使用javascript禁用了它们。如何在Java Servlet中使用它？
Monday (html form):
1st:(Dropdown menu showing all available activities)
2nd:(Dropdown menu showing all available activities)
3rd:(Dropdown menu showing all available activities)
(Submit changes for this day)
Tuesday (html form):
1st:(Dropdown menu showing all available activities)
2nd:(Dropdown menu showing all available activities)
3rd:(Dropdown menu showing all available activities)
(Submit changes for this day)
Wednesday (html form):
1st:(Dropdown menu showing all available activities)
2nd:(Dropdown menu showing all available activities)
3rd:(Dropdown menu showing all available activities)
(Submit changes for this day)
...
...