时间：2021-03-27 09:29:40 | 栏目：JavaScript代码 | 点击：次
复选框限制选择个数的方法
html
<div class="layui-form-item">
<label class="layui-form-label">xxx</label>
<div class="layui-input-block">
<input class="education" lay-filter="hope" type="checkbox" name="param[hope_employ][]" value="yy" title="xx">
</div>
</div>
js
form.on('checkbox(hope)',function(data){
console.debug(data);
var len=$(".education:checked").length;
if(len>3){
$(data.elem).next().attr("class","layui-unselect layui-form-checkbox");
$(data.elem).prop("checked",false);
layer.msg('最多只能选3项！',{icon:5});
return false;
}
});