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Javin Paul

How to find all Checked checkboxes in jQuery? Example Tutorial

Hello guys, suppose you have multiple checkboxes in your HTML page and you want to retrieve all checkboxes which are checked? How will you do that in jQuery? Well, you can use the pseudo selector like :checked to get all checked checkboxes. This selector checks for the checked property of checkbox and returns only those checkboxes which have this property. For example, following jQuery selector will return all the checkboxes which are checked:

$(‘input[type=checkbox]:checked’)

In this, we are first selecting all input elements where type is a checkbox and then adding:  checked to filter only those which are checked.

On the other hand, If you just use:

$(‘input[type=checkbox]’)

All checkboxes will be selected, I mean,  both checked and unchecked. Remember, this returns an array of elements, so you need to use each() jQuery function if you want to do something with them like printing their value.

jQuery Example to get All checked checkboxes in HTML

In this example, I have an HTML page with three checkboxes read, write and speak. You might have seen them in job portal where they ask about your language proficiency. Out of these three checkboxes, I have both read, write checked and speak is unchecked.

To demonstrate how to use the jQuery selector to get all checked checkboxes, I have written some code on $(document).ready()function. 

Anyway, that code selects all checked checkboxes after the page is loaded and print’s their id and status by using attr() and val() function. I have used
each() function to iterate over each of those checked boxes.

<html>
 
<head>
    <title>How to find all checked checkboxes in jQuery</title>
</head>
 
<body>
 
    <h2>Displaying all checked checkbox value in jQuery</h2>
 
    Read: <input type="checkbox" id="read" checked="checked" />
    Write: <input type="checkbox" id="write" checked="checked" />
    Speak: <input type="checkbox" id="speak" />
 
    <div id="output"></div>
 
    <script src="http://code.jquery.com/jquery-1.6.2.min.js"></script>
    <script>
        $(document).ready(function () {
 
            $('input[type=checkbox]:checked').each(function () {
                var status = (this.checked ? $(this).val() : "");
                var id = $(this).attr("id");
                $('#output').append("<h3>" + id + " : " + status + "</h3>");
            });
        });
 
    </script>
 
</body>
 
</html>

Output

When you open this HTML file in a browser or Visual Studio Code, you will see that it will display the Id of two checked checkboxes which are “read”, and “write” in our case. Here is the screenshot from the Microsoft Edge browser:

That’s all about how to get all checked checkboxes of a page in jQuery. Once you are able to find them you can do whatever you want to do like printing their values or disabling them or clearing the selection. Just remember to use each() method, so that you can iterate over each checkbox and perform some action.

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Thanks for reading this article so far. If you like this jQuery tutorial then please share with your friends and colleagues. If you have any questions or feedback then please drop a note.

Published on Web Code Geeks with permission by Javin Paul, partner at our WCG program. See the original article here: How to find all Checked checkboxes in jQuery? Example Tutorial

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