What is causing my page to automatically refresh whenever I click on buttons?

The code snippet below shows the structure of my webpage :

HTML :

    <button class="add-col"><i class="fas fa-columns"> Add a column</i></button>
    <div class="table-responsive">
        <table class="table">
        <thead>
            <tr>
                <th></th>
                <th>
                    <button class="btn"><i class="fas fa-trash remove-col"></i></button>
                    <button class="btn"><i class="fas fa-text-height text-col"></i></button>
                    <button class="btn"><i class="fas fa-sort-numeric-down nbr-col"></i></button>
                    <input type="text" class="form-control">
                </th>
            </tr>
        </thead>
        <tbody>
            <tr>
            <td>
                <button class="btn"><i class="fas fa-trash remove-row"></i></button>
            </td>
            <td>
                <input type="text" class="form-control">
            </td>
            </tr>
        </tbody>
        </table>
    </div>
    <button class="add-row"><i class="fas fa-list-ul"> Add a row</i></button>

Javascript :

$('body').on('click', '.remove-row', function() {

    $(this).parents('tr').remove();

});

(Every button in the grid triggers a page refresh, the code snippet for 'remove-row' is provided for clarity)

(The issue is within the second tab, fill in details in the first tab to access the second tab)

Whenever a button in the grid is clicked, the page refreshes

Research suggests adding "return false" or "e.preventDefault();" to resolve the issue, but it only partially fixes it

Applying these at the end of each .on('click') resolves the issue for adding a column or a row, but deleting a row or column might work momentarily before the page refreshes again, affecting the other buttons as well.

Appreciate any assistance in resolving this issue! :)

// Your custom code goes here

Answer №1

The reason for this behavior is that a button without a specified type attribute defaults to type="submit", causing it to try and submit form data to the server and refresh the page. To prevent this, make sure to explicitly set the type of the buttons to type="button" to avoid any unintended page refreshes.

<button class="ajout-col" type="button">
    <i class="fas fa-columns"> Add a column</i>
</button>

Answer №2

Swap out

<button class="ajout-lig"><i class="fas fa-list-ul"> Add a line</i></button>
to

<button class="ajout-lig" type="button"><i class="fas fa-list-ul"> Add a line</i></button>

I believe the issue lies in the fact that these buttons are actually submitting the form. If we do not specify the button type, it will default to a submit type button

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