### Validation

#### Basic

Full Name
Looks good!
Please fill the name

    ==========
       HTML
    ==========

    <form class="simple-example" action="javascript:void(0);" novalidate>
        <div class="form-row">
            <div class="col-md-12 mb-4">
                <label for="fullName">Full Name</label>
                <input type="text" class="form-control" id="fullName" placeholder="" value="" required>
                <div class="valid-feedback">
                    Looks good!
                </div>
                <div class="invalid-feedback">
                    Please fill the name
                </div>
            </div>
        </div>
        <button class="btn btn-primary submit-fn mt-2" type="submit">Submit form</button>
    </form>

    ===============
       Javascript
    ===============

    window.addEventListener('load', function() {
    // Fetch all the forms we want to apply custom Bootstrap validation styles to
    var forms = document.getElementsByClassName('simple-example');
    var invalid = $('.simple-example .invalid-feedback');

    // Loop over them and prevent submission
    var validation = Array.prototype.filter.call(forms, function(form) {
      form.addEventListener('submit', function(event) {
        if (form.checkValidity() === false) {
          event.preventDefault();
          event.stopPropagation();
            invalid.css('display', 'block');
        } else {

            invalid.css('display', 'none');

            form.classList.add('was-validated');
        }
      }, false);
    });

    }, false);

#### Email

Email
Looks good!
Please fill the Email

    ===============
         HTML
    ===============

    <form class="email" novalidate action="javascript:void(0);">
        <div class="form-row">
            <div class="col-md-12 mb-4">
                <label for="e_mail">Email</label>
                <input type="email" class="form-control" id="e_mail" placeholder="" required>
                <div class="valid-feedback">
                    Looks good!
                </div>
                <div class="invalid-feedback">
                    Please fill the Email
                </div>
            </div>
        </div>
        <button class="btn btn-primary mb-4 mt-2" type="submit">Submit form</button>
    </form>

    ===============
       Javascript
    ===============

    window.addEventListener('load', function() {
    // Fetch all the forms we want to apply custom Bootstrap validation styles to
    var forms = document.getElementsByClassName('email');
    var invalid = $('.email .invalid-feedback');

    // Loop over them and prevent submission
    var validation = Array.prototype.filter.call(forms, function(form) {
      form.addEventListener('submit', function(event) {
        if (form.checkValidity() === false) {
          event.preventDefault();
          event.stopPropagation();
            invalid.css('display', 'block');
        } else {
            invalid.css('display', 'none');
            form.classList.add('was-validated');
        }
      }, false);
    });
    }, false);

#### Select

    ===============
        HTML
    ===============

    <form class="select mt-4" novalidate action="javascript:void(0);">
        <div class="form-row">
            <div class="col-md-12">
                <div id="select_menu" class="form-group mb-4">
                    <select class="custom-select" required>
                      <option value="">Open this select menu</option>
                      <option value="1">One</option>
                      <option value="2">Two</option>
                      <option value="3">Three</option>
                    </select>
                    <div class="valid-feedback">Example valid custom select feedback</div>
                    <div class="invalid-feedback">
                        Please Select the field
                    </div>
                </div>
            </div>
        </div>
        <button class="btn btn-primary mt-2" type="submit">Submit form</button>
    </form>

    ===============
       Javascript
    ===============

    window.addEventListener('load', function() {
        // Fetch all the forms we want to apply custom Bootstrap validation styles to
        var forms = document.getElementsByClassName('select');
        var invalid = $('.select .invalid-feedback');

        // Loop over them and prevent submission
        var validation = Array.prototype.filter.call(forms, function(form) {
          form.addEventListener('submit', function(event) {
            if (form.checkValidity() === false) {
              event.preventDefault();
              event.stopPropagation();
                invalid.css('display', 'block');
            } else {
                invalid.css('display', 'none');
                form.classList.add('was-validated');
            }
          }, false);
        });
      }, false);

#### Custom styles

First name
Looks good!
Last name
Looks good!
Username
@
Please choose a username.
City
Please provide a valid city.
State
Please provide a valid state.
Zip
Please provide a valid zip.
Agree to terms and conditions
You must agree before submitting.

    ===============
         HTML
    ===============

    <form class="needs-validation" novalidate action="javascript:void(0);">
        <div class="form-row">
            <div class="col-md-4 mb-4">
                <label for="validationCustom01">First name</label>
                <input type="text" class="form-control" id="validationCustom01" placeholder="First name" value="Shaun" required>
                <div class="valid-feedback">
                    Looks good!
                </div>
            </div>
            <div class="col-md-4 mb-4">
                <label for="validationCustom02">Last name</label>
                <input type="text" class="form-control" id="validationCustom02" placeholder="Last name" value="Park" required>
                <div class="valid-feedback">
                    Looks good!
                </div>
            </div>
            <div class="col-md-4 mb-4">
                <label for="validationCustomUsername">Username</label>
                <div class="input-group">
                    <div class="input-group-prepend">
                        <span class="input-group-text" id="inputGroupPrepend">@</span>
                    </div>
                    <input type="text" class="form-control" id="validationCustomUsername" placeholder="Username" aria-describedby="inputGroupPrepend" required>
                    <div class="invalid-feedback">
                        Please choose a username.
                    </div>
                </div>
            </div>
        </div>
        <div class="form-row">
            <div class="col-md-6 mb-4">
                <label for="validationCustom03">City</label>
                <input type="text" class="form-control" id="validationCustom03" placeholder="City" required>
                <div class="invalid-feedback">
                    Please provide a valid city.
                </div>
            </div>
            <div class="col-md-3 mb-4">
                <label for="validationCustom04">State</label>
                <input type="text" class="form-control" id="validationCustom04" placeholder="State" required>
                <div class="invalid-feedback">
                    Please provide a valid state.
                </div>
            </div>
            <div class="col-md-3 mb-4">
                <label for="validationCustom05">Zip</label>
                <input type="text" class="form-control" id="validationCustom05" placeholder="Zip" required>
                <div class="invalid-feedback">
                    Please provide a valid zip.
                </div>
            </div>
        </div>
        <div class="form-group mb-4">
            <div class="form-check pl-0">
                <div class="custom-control custom-checkbox checkbox-success">
                    <input type="checkbox" class="custom-control-input" id="invalidCheck" required>
                    <label class="custom-control-label" for="invalidCheck">Agree to terms and conditions</label>
                    <div class="invalid-feedback">
                        You must agree before submitting.
                    </div>
                </div>
            </div>
        </div>
        <button class="btn btn-primary mt-3" type="submit">Submit form</button>
    </form>

    ===============
       Javascript
    ===============

    window.addEventListener('load', function() {
        // Fetch all the forms we want to apply custom Bootstrap validation styles to
        var forms = document.getElementsByClassName('needs-validation');
        // Loop over them and prevent submission
        var validation = Array.prototype.filter.call(forms, function(form) {
          form.addEventListener('submit', function(event) {
            if (form.checkValidity() === false) {
              event.preventDefault();
              event.stopPropagation();
            }
            form.classList.add('was-validated');
          }, false);
        });
    }, false);

#### Browser defaults

First name
Last name
Username
@
City
State
Zip
Agree to terms and conditions
Agree to terms and conditions

    ===============
         HTML
    ===============

    <form>
        <div class="form-row">
            <div class="col-md-4 mb-4">
                <label for="validationDefault01">First name</label>
                <input type="text" class="form-control" id="validationDefault01" placeholder="First name" value="Shaun" required>
            </div>
            <div class="col-md-4 mb-4">
                <label for="validationDefault02">Last name</label>
                <input type="text" class="form-control" id="validationDefault02" placeholder="Last name" value="Park" required>
            </div>
            <div class="col-md-4 mb-4">
                <label for="validationDefaultUsername">Username</label>
                <div class="input-group">
                    <div class="input-group-prepend">
                        <span class="input-group-text" id="inputGroupPrepend2">@</span>
                    </div>
                    <input type="text" class="form-control" id="validationDefaultUsername" placeholder="Username" aria-describedby="inputGroupPrepend2" required>
                </div>
            </div>
        </div>
        <div class="form-row">
            <div class="col-md-6 mb-4">
                <label for="validationDefault03">City</label>
                <input type="text" class="form-control" id="validationDefault03" placeholder="City" required>
            </div>
            <div class="col-md-3 mb-4">
                <label for="validationDefault04">State</label>
                <input type="text" class="form-control" id="validationDefault04" placeholder="State" required>
            </div>
            <div class="col-md-3 mb-4">
                <label for="validationDefault05">Zip</label>
                <input type="text" class="form-control" id="validationDefault05" placeholder="Zip" required>
            </div>
        </div>
        <div class="form-group mb-4">
            <div class="custom-control custom-checkbox checkbox-info">
                <input type="checkbox" class="custom-control-input" id="invalidCheck2" required>
                <label class="custom-control-label" for="invalidCheck2">Agree to terms and conditions</label>
                <div class="invalid-feedback">
                    Agree to terms and conditions
                </div>
            </div>
        </div>
      <button class="btn btn-primary mt-3" type="submit">Submit form</button>
    </form>

#### Tooltips

First name
Looks good!
Last name
Looks good!
Username
@
Please choose a unique and valid username.
City
Please provide a valid city.
State
Please provide a valid state.
Zip
Please provide a valid zip.

    ===============
         HTML
    ===============

    <form class="needs-validation" novalidate action="javascript:void(0);">
        <div class="form-row">
            <div class="col-md-4 mb-5">
                <label for="validationTooltip01">First name</label>
                <input type="text" class="form-control" id="validationTooltip01" placeholder="First name" value="Shaun" required>
                <div class="valid-tooltip">
                    Looks good!
                </div>
            </div>
            <div class="col-md-4 mb-5">
                <label for="validationTooltip02">Last name</label>
                <input type="text" class="form-control" id="validationTooltip02" placeholder="Last name" value="Park" required>
                <div class="valid-tooltip">
                    Looks good!
                </div>
            </div>
            <div class="col-md-4 mb-5">
                <label for="validationTooltipUsername">Username</label>
                <div class="input-group">
                    <div class="input-group-prepend">
                        <span class="input-group-text" id="validationTooltipUsernamePrepend">@</span>
                    </div>
                    <input type="text" class="form-control" id="validationTooltipUsername" placeholder="Username" aria-describedby="validationTooltipUsernamePrepend" required>
                    <div class="invalid-tooltip">
                        Please choose a unique and valid username.
                    </div>
                </div>
            </div>
        </div>
        <div class="form-row">
            <div class="col-md-6 mb-5">
                <label for="validationTooltip03">City</label>
                <input type="text" class="form-control" id="validationTooltip03" placeholder="City" required>
                <div class="invalid-tooltip">
                    Please provide a valid city.
                </div>
            </div>
            <div class="col-md-3 mb-5">
                <label for="validationTooltip04">State</label>
                <input type="text" class="form-control" id="validationTooltip04" placeholder="State" required>
                <div class="invalid-tooltip">
                    Please provide a valid state.
                </div>
            </div>
            <div class="col-md-3 mb-5">
                <label for="validationTooltip05">Zip</label>
                <input type="text" class="form-control" id="validationTooltip05" placeholder="Zip" required>
                <div class="invalid-tooltip">
                    Please provide a valid zip.
                </div>
            </div>
        </div>
      <button class="btn btn-primary mt-2" type="submit">Submit form</button>
    </form>

    ===============
       Javascript
    ===============

    window.addEventListener('load', function() {
        // Fetch all the forms we want to apply custom Bootstrap validation styles to
        var forms = document.getElementsByClassName('needs-validation');
        // Loop over them and prevent submission
        var validation = Array.prototype.filter.call(forms, function(form) {
          form.addEventListener('submit', function(event) {
            if (form.checkValidity() === false) {
              event.preventDefault();
              event.stopPropagation();
            }
            form.classList.add('was-validated');
          }, false);
        });
    }, false);