JSFiddle - React, Tailwind, and code Playground
HTML
<tr>
<td>Monday</td>
<td><input type="radio" name="mon" value="all">all day</td>
<td><input type="radio" name="mon" value="time">between
<select name="firstTime">
<option>Time</option>
<option value="12">12:00</option>
<option value="13">13:00</option>
<option value="14">14:00</option>
<option value="15">15:00</option>
<option value="16">16:00</option>
<option value="17">17:00</option>
<option value="18">18:00</option>
<option value="19">19:00</option>
<option value="20">20:00</option>
</select>
to
<select name="secondTime">
<option>Time</option>
<option value="12">12:00</option>
<option value="13">13:00</option>
<option value="14">14:00</option>
<option value="15">15:00</option>
<option value="16">16:00</option>
<option value="17">17:00</option>
<option value="18">18:00</option>
...JavaScript
$("input[name=mon]").on("change", function(){
if(this.value=="time"){
alert("First Time : " + $('select[name="firstTime"] option:selected').text());
alert("Second Time : "+$('select[name="secondTime"] option:selected').text());
}
});