input errors bootstrap

<div class="alert alert-primary" role="alert"> This is a primary alert—check it out! </div> <div class="alert alert-secondary" role="alert"> This is a secondary alert—check it out! </div> <div class="alert alert-success" role="alert"> This is a success alert—check it out! </div> <div class="alert alert-danger" role="alert"> This is a danger alert—check it out! </div> <div class="alert alert-warning" role="alert"> This is a warning alert—check it out! </div> <div class="alert alert-info" role="alert"> This is a info alert—check it out! </div> <div class="alert alert-light" role="alert"> This is a light alert—check it out! </div> <div class="alert alert-dark" role="alert"> This is a dark alert—check it out! </div>

bootstrap 4 input error

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">

<!--
  Title: bootstrap 4 input error
-->
<!--Go to https://www.w3schools.com/bootstrap4/bootstrap_forms.asp for more info-->
<form action="/action_page.php" class="was-validated">
  <div class="form-group">
    <label for="uname">Username:</label>
    <input type="text" class="form-control" id="uname" placeholder="Enter username" name="uname" required>
    <div class="valid-feedback">Valid.</div>
    <div class="invalid-feedback">Please fill out this field.</div>
  </div>
  <div class="form-group">
    <label for="pwd">Password:</label>
    <input type="password" class="form-control" id="pwd" placeholder="Enter password" name="pswd" required>
    <div class="valid-feedback">Valid.</div>
    <div class="invalid-feedback">Please fill out this field.</div>
  </div>
  <div class="form-group form-check">
    <label class="form-check-label">
      <input class="form-check-input" type="checkbox" name="remember" required> I agree on blabla.
      <div class="valid-feedback">Valid.</div>
      <div class="invalid-feedback">Check this checkbox to continue.</div>
    </label>
  </div>
  <button type="submit" class="btn btn-primary">Submit</button>
</form>

Posted by: Guest on January-28-2021

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