Etichette flottanti
Crea etichette di forma meravigliosamente simplici chì fluttuanu sopra i vostri campi di input.
Esempiu
Imbulighjate un paru di <input class="form-control">
è <label>
elementi .form-floating
per attivà etichette flottanti cù i campi di forma testuale di Bootstrap. A placeholder
hè necessariu nantu à ognunu <input>
postu chì u nostru metudu di etichette flottanti solu CSS usa u :placeholder-shown
pseudo-elementu. Innota ancu chì u <input>
deve vene prima per pudè utilizà un selettore di fratellu (per esempiu, ~
).
<div class="form-floating mb-3">
<input type="email" class="form-control" id="floatingInput" placeholder="[email protected]">
<label for="floatingInput">Email address</label>
</div>
<div class="form-floating">
<input type="password" class="form-control" id="floatingPassword" placeholder="Password">
<label for="floatingPassword">Password</label>
</div>
Quandu ci hè un value
dighjà definitu, <label>
s s'adattanu automaticamente à a so pusizioni flottante.
<form class="form-floating">
<input type="email" class="form-control" id="floatingInputValue" placeholder="[email protected]" value="[email protected]">
<label for="floatingInputValue">Input with value</label>
</form>
Stili di validazione di forma funziona ancu cum'è previstu.
<form class="form-floating">
<input type="email" class="form-control is-invalid" id="floatingInputInvalid" placeholder="[email protected]" value="[email protected]">
<label for="floatingInputInvalid">Invalid input</label>
</form>
Zone di testu
Par défaut, <textarea>
s avec .form-control
sera la même hauteur que <input>
s.
<div class="form-floating">
<textarea class="form-control" placeholder="Leave a comment here" id="floatingTextarea"></textarea>
<label for="floatingTextarea">Comments</label>
</div>
Per stabilisce una altezza persunalizata nantu à u vostru <textarea>
, ùn utilizate micca l' rows
attributu. Invece, stabilisce un esplicitu height
(o inline o via CSS persunalizata).
<div class="form-floating">
<textarea class="form-control" placeholder="Leave a comment here" id="floatingTextarea2" style="height: 100px"></textarea>
<label for="floatingTextarea2">Comments</label>
</div>
Selezziunate
Oltre à .form-control
, e etichette flottanti sò dispunibuli solu nantu à .form-select
s. Funcionanu in u listessu modu, ma à u cuntrariu <input>
di s, sempre mostranu u <label>
in u so statu fluttu. Selezziunate cù size
è multiple
ùn sò micca supportati.
<div class="form-floating">
<select class="form-select" id="floatingSelect" aria-label="Floating label select example">
<option selected>Open this select menu</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>
<label for="floatingSelect">Works with selects</label>
</div>
Disposizione
Quandu travaglia cù u sistema di griglia Bootstrap, assicuratevi di mette elementi di forma in classi di colonna.
<div class="row g-2">
<div class="col-md">
<div class="form-floating">
<input type="email" class="form-control" id="floatingInputGrid" placeholder="[email protected]" value="[email protected]">
<label for="floatingInputGrid">Email address</label>
</div>
</div>
<div class="col-md">
<div class="form-floating">
<select class="form-select" id="floatingSelectGrid" aria-label="Floating label select example">
<option selected>Open this select menu</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>
<label for="floatingSelectGrid">Works with selects</label>
</div>
</div>
</div>
Sass
Variabili
$form-floating-height: add(3.5rem, $input-height-border);
$form-floating-line-height: 1.25;
$form-floating-padding-x: $input-padding-x;
$form-floating-padding-y: 1rem;
$form-floating-input-padding-t: 1.625rem;
$form-floating-input-padding-b: .625rem;
$form-floating-label-opacity: .65;
$form-floating-label-transform: scale(.85) translateY(-.5rem) translateX(.15rem);
$form-floating-transition: opacity .1s ease-in-out, transform .1s ease-in-out;