html 验证表单字段时的Costum消息

Posted 2021-05-10

<div class="contact-input-right col-md-6 col-sm-6">
  <label for="captcha">Code</label>
  <!-- Textbox --->
  <div class="formField">
    <input class="form-control" type="text" name="captcha" id="captcha" required="" oninvalid="this.setCustomValidity('Bitte geben Sie dieses Feld an')" oninput="setCustomValidity('')">	
  </div>
  <!-- Checkbox --->
  <div class="formField">
    <input type="checkbox" name="DSE" id="DSE" value="1" required oninvalid="this.setCustomValidity('Bitte geben Sie dieses Feld an')" onchange="this.setCustomValidity('')">
  </div>
</div>