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Etikèt k ap flote

Kreye etikèt fòm trè senp ki flote sou jaden opinyon ou yo.

Nan paj sa a

Egzanp

Anvlope yon pè <input class="form-control">ak <label>eleman nan .form-floatingpou pèmèt etikèt k ap flote ak jaden fòm tèks Bootstrap la. Yon placeholderobligatwa sou chak <input>kòm metòd nou an nan etikèt k ap flote CSS sèlman itilize :placeholder-shownpseudo-eleman an. Epitou sonje ke a <input>dwe vini an premye pou nou ka itilize yon seleksyon frè ak sè (egzanp, ~).

html 
<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>

Lè gen yon valuedeja defini, <label>s pral otomatikman ajiste nan pozisyon flote yo.

html 
<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>

Estil validation fòm tou travay jan espere.

html 
<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>

Zòn tèks yo

Pa default, <textarea>s ak .form-controlpral menm wotè ak <input>s.

html 
<div class="form-floating">
  <textarea class="form-control" placeholder="Leave a comment here" id="floatingTextarea"></textarea>
  <label for="floatingTextarea">Comments</label>
</div>

Pou mete yon wotè koutim sou ou <textarea>, pa sèvi ak rowsatribi a. Olye de sa, mete yon eksplisit height(swa inline oswa atravè CSS koutim).

html 
<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>

Chwazi

Lòt pase .form-control, etikèt k ap flote yo disponib sèlman sou .form-selects. Yo travay nan menm fason an, men kontrèman ak <input>s, yo ap toujou montre a <label>nan eta flote li yo. Chwazi ak sizeepi multipleyo pa sipòte.

html 
<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>

Tèks klè sèlman

Etikèt k ap flote sipòte tou .form-control-plaintext, ki ka itil pou chanje soti nan yon valè editable <input>ak yon valè tèks klè san yo pa afekte layout paj la.

html 
<div class="form-floating mb-3">
  <input type="email" readonly class="form-control-plaintext" id="floatingEmptyPlaintextInput" placeholder="[email protected]">
  <label for="floatingEmptyPlaintextInput">Empty input</label>
</div>
<div class="form-floating mb-3">
  <input type="email" readonly class="form-control-plaintext" id="floatingPlaintextInput" placeholder="[email protected]" value="[email protected]">
  <label for="floatingPlaintextInput">Input with value</label>
</div>

Antre gwoup yo

Etikèt k ap flote tou sipòte .input-group.

@
html 
<div class="input-group mb-3">
  <span class="input-group-text">@</span>
  <div class="form-floating">
    <input type="text" class="form-control" id="floatingInputGroup1" placeholder="Username">
    <label for="floatingInputGroup1">Username</label>
  </div>
</div>

Lè w ap itilize .input-groupak .form-floatingansanm ak validation fòm, yo -feedbackta dwe mete deyò nan .form-floating, men andedan nan .input-group. Sa vle di ke yo pral bezwen montre fidbak la lè l sèvi avèk javascript.

@
Tanpri chwazi yon non itilizatè.
html 
<div class="input-group has-validation">
  <span class="input-group-text">@</span>
  <div class="form-floating is-invalid">
    <input type="text" class="form-control is-invalid" id="floatingInputGroup2" placeholder="Username" required>
    <label for="floatingInputGroup2">Username</label>
  </div>
  <div class="invalid-feedback">
    Please choose a username.
  </div>
</div>

Layout

Lè w ap travay ak sistèm kadriyaj Bootstrap la, asire w ou mete eleman fòm nan klas kolòn yo.

html 
<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">
        <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

Varyab

$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;