cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - ActiveLovehtmlicon-new-collectionicon-personicon-teamlog-outoctocatpop-outspinnerstartv

Pen Settings

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

Quick-add: + add another resource

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

Quick-add: + add another resource

Code Indentation

     

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

            
              <form class="container" id="needs-validation" novalidate>
  <div class="row">
    <div class="col-md-6 mb-3">
      <label for="input-name">Name</label>
      <input type="text" class="form-control" name="name" id="input-name" placeholder="Name" required>
      <div class="invalid-feedback"></div>
    </div>
  </div>
  <div class="row">
    <div class="col-md-6 mb-3">
      <label for="input-email">Email</label>
      <input type="email" class="form-control" name="email" id="input-email" placeholder="example@email.jp" required>
      <div class="invalid-feedback"></div>
    </div>
  </div>
  <div class="row">
    <div class="col-md-6 mb-3">
      <label for="input-message">Message</label>
      <textarea class="form-control" name="message" id="input-message" required maxlength="100" placeholder="最大100文字"></textarea>
      <div class="message-text-counter">現在<span class="message-text-count">0</span>文字</div>
      <div class="invalid-feedback"></div>
    </div>
  </div>
  <button class="btn btn-primary" type="submit">Submit</button>
</form>
            
          
!
            
              $(function() {
var $form = $("#needs-validation"),
    $inputs = $form.find('.form-control'),
    $email = $inputs.find('[name=name]'),
    $message = $inputs.find('[name=message]'),
    $content_text_counter = $form.find('.message-text-count');
  
    $form.on("submit", function(event) {
      if (event.target.checkValidity() == false) {
        event.preventDefault();
        event.stopPropagation();
        
        validation($inputs);
      }
      $form.addClass("was-validated");
    });
  
    $inputs.on('change, keyup', function () {
      validation($(this));
      
      if($(this).is('[name=message]')) {
        var count = countTxtLength($(this).val());
        $content_text_counter.text(count);
      }
    });
  
  
});

var feedbackMessage = {};
feedbackMessage.name = {
  valueMissing: '名前を入力してください',
};
feedbackMessage.email = {
  valueMissing: 'メールアドレスを入力してください',
  typeMismatch: '不正なメールアドレスです'
};
feedbackMessage.message = {
  valueMissing: 'メッセージを入力してください',
  tooLong: '文字数が長すぎます'
};

//バリデーション
//@param {JQuery} $inputs .form-control elements array
function validation($inputs) {
  $inputs.each(function(i, el) {
    var $el = $(el);
    var id = $el.attr('id').replace('input-', '');
    var validity = el.validity;
    var $feedback = $el.find('~ .invalid-feedback');
    var message = feedbackMessage[id];
    $feedback.empty();
    console.log(validity)
    
    $.each(message, function(i, mes) {
      if(validity[i] === true) {
        $feedback.append(mes);
      }
    });
  });
}

//文字数数える
//@param value {string} 数える文字列
//@param mode {number} 0=全部1 1=半角0.5 全角1
function countTxtLength(value, mode) {
  var count = 0, mode = mode || 0;

  for(var i = value.length; i--; ) {
    if(mode === 1 && /^[\u0020-\u007e]+$/.test(value.charAt(i))) {
      count += 0.5;
    } else {
      count += 1;
    }
  }

  return count;
}

//サンプル
 var _feedbackMessageSample = {
  
   //ユーザーがUIが値に変換できない入力をした場合に true
  badInput: '',
  
  //要素の値が与えられたパターンにマッチしない場合に true
  //[pattern]
  patternMismatch: '',
  
  //要素の値が与えられた最大値を超える場合に true
  //[max]
  rangeOverflow: '',
  
  //要素の値が与えられた最小値を下回る場合に true
  //[min]
  rangeUnderflow: '',
  
  //要素の値が step 属性で与えられた規則に合わない場合に true
   //[step]
  stepMismatch: '',
  
  //要素の値が与えられた長さより長い場合に true
  //[maxlength]
  tooLong: '',
  
  //要素の値が与えられた長さより短い場合に true
  //[minlength]
  tooShort: '',
  
  //要素の値が正しい構文ではない場合に true
  //[type=url][type=email]
  typeMismatch: '',
  
  //要素が入力必須のフィールドであるのに値がない場合に true
  //[required]
  valueMissing : ''
};
            
          
!
999px
Loading ..................

Console