In this article we will see How To Get Value of Selected Radio Button Using jQuery. :checked selector and .val() method can be used to read value of radio button.
Table of Contents
:checked selector
The :checked selector is used to select all checked checkboxes, selected radio buttons, and all options of select element.
Syntax
A simple example of :checked selector is shown below.
var length = $( "input:checked" ).length;
val() method
The .val() method is used to get the value of input elements like radio button, select element and textarea element. The .val() method does not require any arguments.
Syntax
A simple example of .val() method is shown below.
var Value = $( "#age" ).val();
Example 1
This example alerts the value of the selected radio button.
<form>
<div>
<input type="radio" name="car" value="Ford" id="orange">
<label>Ford</label>
</div>
<div>
<input type="radio" name="car" value="Jeep" id="apple">
<label>Jeep</label>
</div>
<div>
<input type="radio" name="car" value="Tesla" id="banana">
<label>Tesla</label>
</div>
</form>
<script>
$('input[name="car"]').on("click", function() {
var car = $('input[name="car"]:checked').val();
alert(car);
});
</script>
Demo
Example 2
This example also alerts the value of the selected radio button when the button is clicked.
<p>Your Gender?</p>
<input type="radio" name="gender" value="male">
<label>Male</label>
<input type="radio" name="gender" value="female">
<label>Female</label>
<input type="button" value="Get Gender">
<script>
$(document).ready(function() {
$("input[type='button']").click(function() {
var gender = $("input[name='gender']:checked").val();
alert(gender);
});
});
</script>
Demo
Your Gender?
Example 3
This example will change the background-color of the Demo div to the selected color using value of radio button.
<form>
<div class="form-group">
<label><strong>Select Your color</strong>:-</label><br>
<label><input type="radio" name="color" value="red">Red</label>
<label><input type="radio" name="color" value="yellow">Yellow</label>
<label><input type="radio" name="color" value="blue">Blue</label>
<label><input type="radio" name="color" value="orange">Orange</label>
</div>
<div class="form-group text-center">
<button class="btn" type="button">Apply Color</button>
</div>
</form>
<div id='div' style='padding:30px 10px;'>Demo</div>
<script type="text/javascript">
$('.btn').click(function() {
var value = $('input[name="color"]:checked').val();
$('#div').css('background', value)
});
</script>
Demo
Feel free to copy the code of any example and use it in anywhere.
Demo
Video Tutorial
Watch video tutorial on How To Get Value of Selected Radio Button Using jQuery.