JSFiddle - React, Tailwind, and code Playground
HTML
<div class="show_stores" id="show_store_1" >
<input name="store_id" type="radio" id="store_1" value="1">
<label for="store_1">
<b>Head Office </b>
</label>
</div>
<div class="show_stores" id="show_store_2" >
<input name="store_id" type="radio" id="store_2" value="2" checked='checked'>
<label for="store_2">
<b>Warehouse </b>
</label>
</div>
<div class="show_stores" id="show_store_3" >
<input name="store_id" type="radio" id="store_3" value="3">
<label for="store_3">
<b>City Store </b>
</label>
</div>
JavaScript
store_id = $("input[type='radio'][name='store_id']:checked").val();
alert("selected store id is "+store_id;