**全选的CheckBox data-checkbox="checkbox-child" data-value="" 子CheckBox Class 等于 父data-checkbox的值** ***** **父** data-checkbox="checkbox-child" data-value="" **子** class="checkbox-child" ***** ``` <input type="checkbox" class="box-all" data-checkbox="checkbox-child" data-value="" > ALL<br/> <input type="checkbox" class="checkbox-child" value="1" checked> Option 1 (pre-checked) <input type="checkbox" class="checkbox-child" value="2"> Option 2 (pre-checked) <input type="checkbox" class="checkbox-child" value="3"> Option 3 (pre-checked) ``` ***** ``` <label class="form-checkbox form-normal "> <input type="checkbox" class="box-all" data-checkbox="checkbox-child" data-value="" > ALL </label><br/> <label class="form-checkbox form-normal "> <input type="checkbox" class="checkbox-child" value="1" checked> Option 1 (pre-checked) </label> <label class="form-checkbox form-normal "> <input type="checkbox" class="checkbox-child" value="2"> Option 2 (pre-checked) </label> <label class="form-checkbox form-normal "> <input type="checkbox" class="checkbox-child" value="3"> Option 3 (pre-checked) </label> ```