jQuery 라디오 버튼 체크값 가져오기

HTML

<input type="radio" name="searchTimeType" id="second" value="second" checked="checked"/>

<label for="second">초</label>
<input type="radio" name="searchTimeType" id="minute" value="minute"/>

<label for="minute">분</label>
<input type="radio" name="searchTimeType" id="hour" value="hour"/>

<label for="hour">시</label>
<input type="radio" name="searchTimeType" id="day" value="day"/>

<label for="day">일</label>

 

JS

var radioBtnVal = $("input[name='searchTimeType']:checked").val();