plugin-message/customize-placement.html

<!DOCTYPE html>
<html lang="en">
    <head>
        <title>FormValidation example - Customize the error message placement</title>
        <meta charset="utf-8" />
        <meta content="width=device-width,initial-scale=1" name="viewport" />

        <link
            rel="stylesheet"
            href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css"
        />
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.1/dist/css/bootstrap.min.css" />

        <!-- Replace with your path -->
        <link rel="stylesheet" href="/vendors/@form-validation/umd/styles/index.min.css" />

        <style>
            /* Display the error message */
            .input-group ~ .fv-plugins-message-container {
                display: block;
            }
        </style>
    </head>
    <body>
        <form id="demoForm" method="POST">
            <div class="mb-3 row">
                <label class="col-sm-3 col-form-label">Product name</label>
                <div class="col-sm-4">
                    <input type="text" class="form-control" name="name" />
                </div>
            </div>

            <div class="mb-3 row">
                <label class="col-sm-3 col-form-label">Price</label>
                <div class="col-sm-5">
                    <div class="input-group">
                        <span class="input-group-text">$</span>
                        <input type="text" class="form-control" name="price" />
                    </div>
                </div>
            </div>

            <div class="mb-3 row">
                <label class="col-sm-3 col-form-label">Size</label>
                <div class="col-sm-6">
                    <div class="form-check form-check-inline">
                        <input type="checkbox" class="form-check-input" name="size[]" value="s" />
                        <label class="form-check-label">S</label>
                    </div>
                    <div class="form-check form-check-inline">
                        <input type="checkbox" class="form-check-input" name="size[]" value="m" />
                        <label class="form-check-label">M</label>
                    </div>
                    <div class="form-check form-check-inline">
                        <input type="checkbox" class="form-check-input" name="size[]" value="l" />
                        <label class="form-check-label">L</label>
                    </div>
                    <div class="form-check form-check-inline">
                        <input type="checkbox" class="form-check-input" name="size[]" value="xl" />
                        <label class="form-check-label">XL</label>
                    </div>
                </div>
            </div>

            <div class="mb-3 row">
                <label class="col-sm-3 col-form-label">Available in store</label>
                <div class="col-sm-6">
                    <div class="form-check form-check-inline">
                        <input type="radio" class="form-check-input" name="availability" value="yes" />
                        <label class="form-check-label">Yes</label>
                    </div>
                    <div class="form-check form-check-inline">
                        <input type="radio" class="form-check-input" name="availability" value="no" />
                        <label class="form-check-label">No</label>
                    </div>
                </div>
            </div>

            <div class="mb-3 row">
                <div class="col-sm-9 offset-sm-3">
                    <!-- Do NOT use name="submit" or id="submit" for the Submit button -->
                    <button type="submit" class="btn btn-primary">Add product</button>
                </div>
            </div>
        </form>

        <!-- Replace with your path -->
        <script src="/vendors/@form-validation/umd/bundle/popular.min.js"></script>
        <script src="/vendors/@form-validation/umd/plugin-bootstrap5/index.min.js"></script>

        <script>
            document.addEventListener('DOMContentLoaded', function (e) {
                FormValidation.formValidation(document.getElementById('demoForm'), {
                    fields: {
                        name: {
                            validators: {
                                notEmpty: {
                                    message: 'The name is required',
                                },
                                stringLength: {
                                    min: 6,
                                    max: 30,
                                    message: 'The name must be more than 6 and less than 30 characters long',
                                },
                                regexp: {
                                    regexp: /^[a-zA-Z0-9_]+$/,
                                    message: 'The name can only consist of alphabetical, number and underscore',
                                },
                            },
                        },
                        price: {
                            validators: {
                                notEmpty: {
                                    message: 'The price is required',
                                },
                                numeric: {
                                    message: 'The price must be a number',
                                },
                            },
                        },
                        'size[]': {
                            validators: {
                                notEmpty: {
                                    message: 'The size is required',
                                },
                            },
                        },
                        availability: {
                            validators: {
                                notEmpty: {
                                    message: 'The availability option is required',
                                },
                            },
                        },
                    },
                    plugins: {
                        trigger: new FormValidation.plugins.Trigger(),
                        bootstrap5: new FormValidation.plugins.Bootstrap5(),
                        submitButton: new FormValidation.plugins.SubmitButton(),
                        icon: new FormValidation.plugins.Icon({
                            valid: 'fa fa-check',
                            invalid: 'fa fa-times',
                            validating: 'fa fa-refresh',
                        }),
                    },
                }).on('plugins.message.displayed', function (e) {
                    // `e.field`: The field name
                    // `e.messageElement`: The message element
                    // `e.element`: The field element
                    if (e.element.parentElement.classList.contains('input-group')) {
                        // Move the error message out of the `input-group` element
                        e.element.parentElement.insertAdjacentElement('afterend', e.messageElement.parentElement);
                    }
                });
            });
        </script>
    </body>
</html>