class required bootstrap 3

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Rayane
01 Mar 2017
1<form class="needs-validation" novalidate>
2  <div class="form-row">
3    <div class="col-md-4 mb-3">
4      <label for="validationCustom01">First name</label>
5      <input type="text" class="form-control" id="validationCustom01" placeholder="First name" value="Mark" required>
6      <div class="valid-feedback">
7        Looks good!
8      </div>
9    </div>
10    <div class="col-md-4 mb-3">
11      <label for="validationCustom02">Last name</label>
12      <input type="text" class="form-control" id="validationCustom02" placeholder="Last name" value="Otto" required>
13      <div class="valid-feedback">
14        Looks good!
15      </div>
16    </div>
17    <div class="col-md-4 mb-3">
18      <label for="validationCustomUsername">Username</label>
19      <div class="input-group">
20        <div class="input-group-prepend">
21          <span class="input-group-text" id="inputGroupPrepend">@</span>
22        </div>
23        <input type="text" class="form-control" id="validationCustomUsername" placeholder="Username" aria-describedby="inputGroupPrepend" required>
24        <div class="invalid-feedback">
25          Please choose a username.
26        </div>
27      </div>
28    </div>
29  </div>
30  <div class="form-row">
31    <div class="col-md-6 mb-3">
32      <label for="validationCustom03">City</label>
33      <input type="text" class="form-control" id="validationCustom03" placeholder="City" required>
34      <div class="invalid-feedback">
35        Please provide a valid city.
36      </div>
37    </div>
38    <div class="col-md-3 mb-3">
39      <label for="validationCustom04">State</label>
40      <input type="text" class="form-control" id="validationCustom04" placeholder="State" required>
41      <div class="invalid-feedback">
42        Please provide a valid state.
43      </div>
44    </div>
45    <div class="col-md-3 mb-3">
46      <label for="validationCustom05">Zip</label>
47      <input type="text" class="form-control" id="validationCustom05" placeholder="Zip" required>
48      <div class="invalid-feedback">
49        Please provide a valid zip.
50      </div>
51    </div>
52  </div>
53  <div class="form-group">
54    <div class="form-check">
55      <input class="form-check-input" type="checkbox" value="" id="invalidCheck" required>
56      <label class="form-check-label" for="invalidCheck">
57        Agree to terms and conditions
58      </label>
59      <div class="invalid-feedback">
60        You must agree before submitting.
61      </div>
62    </div>
63  </div>
64  <button class="btn btn-primary" type="submit">Submit form</button>
65</form>
66
67<script>
68// Example starter JavaScript for disabling form submissions if there are invalid fields
69(function() {
70  'use strict';
71  window.addEventListener('load', function() {
72    // Fetch all the forms we want to apply custom Bootstrap validation styles to
73    var forms = document.getElementsByClassName('needs-validation');
74    // Loop over them and prevent submission
75    var validation = Array.prototype.filter.call(forms, function(form) {
76      form.addEventListener('submit', function(event) {
77        if (form.checkValidity() === false) {
78          event.preventDefault();
79          event.stopPropagation();
80        }
81        form.classList.add('was-validated');
82      }, false);
83    });
84  }, false);
85})();
86</script>
source
Dillon
12 May 2020
1function form_validate(attr_id){
2    var result = true;
3    $('#'+attr_id).validator('validate');
4    $('#'+attr_id+' .form-group').each(function(){
5        if($(this).hasClass('has-error')){
6            result = false;
7            return false;
8        }
9    });
10    return result;
11}
12
source
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