Basic
==========
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);
===============
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
===============
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
===============
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
===============
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);