最多3个复选框 [英] atmost 3 checkbox select

问题描述

我要选择最多三个复选框，请选择...其他三个复选框都启用后，我们就无法在该复选框上打勾，因此如何为此编写编码???????
请帮我解决它的紧迫问题.

i want to select atmost three checkbox select...after three other checkbox do enable means we can not tick on that checkbox so how can write cod for this ???????
plz help me its urgent......

推荐答案

编写一个自定义javascript函数，该函数将对选中事件中选中的复选框的数量进行计数.还要进行验证，不允许选中三个以上的复选框.


http://psoug.org/snippet/Javascript-Count-checkboxes_125.htm [ ^ ]

Write a custom javascript function which will count the number of checkboxes checked on the checked event . Also put a validation not allow more than 3 checkboxes to be checked.


http://psoug.org/snippet/Javascript-Count-checkboxes_125.htm[^]

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