获取复选框、单选框的值

单选框的值 <div class="ques_one"> <p>1. 一个月健身几次最好？（单选）</p> <ul> <li> <label> <input type="radio" name="question1" value="A" /> <span>A 一月八次</span> </label> </li> <li> <label> <input type="radio" name="question1" value="B" /> <span>B 一月七次</span> </label> </li> <li> <label> <input type="radio" name="question1" value="C" /> <span>C 一月十次</span> </label> </li> <li> <label> <input type="radio" name="question1" value="D" /> <span>D 一月十二次</span> </label> </li> </ul> </div> <div class="submit_btn"> <input type="button" class="btn" value="提 交" name="dosubmit" onclick="questionsubmit()" /> </div> <script> function questionsubmit(){ var qs1 = $("input:radio[name='question1']:checked").val(); if(!qs1){ alert("请填写第1题的答案"); return false; } } </script> 复选框的值 <div class="ques_one"> <p>3. 以下说法正确是？（多选）</p> <ul> <li> <label> <input type="checkbox" name="question3" value="A" /> <span>A 一个周健身2次</span> </label> </li> <li> <label> <input type="checkbox" name="question3" value="B" /> <span>B 一个周健身3次</span> </label> </li> <li> <label> <input type="checkbox" name="question3" value="C" /> <span>C 一个周健身4次</span> </label> </li> <li> <label> <input type="checkbox" name="question3" value="D" /> <span>D 一个周健身5次</span> </label> </li> </ul> </div> <div class="submit_btn"> <input type="button" class="btn" value="提 交" name="dosubmit" onclick="questionsubmit()" /> </div> <script> function questionsubmit(){ var qs3=''; var q3 = $("input[name='question3']:checked").each(function() { var result = this.value; if(result){ qs3 += result; } }); if(!qs3){ alert("请填写第3题的答案"); return false; } } </script>