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labél ngambang

Jieun labél formulir geulis basajan anu ngambang dina widang input anjeun.

Dina kaca ieu

Contona

Bungkus sapasang <input class="form-control">sareng <label>elemen .form-floatingpikeun ngaktipkeun labél ngambang sareng widang formulir tékstual Bootstrap. A placeholderdiperlukeun dina unggal <input>salaku metoda urang CSS-hijina labél floating ngagunakeun :placeholder-shownpseudo-elemen. Catet ogé yén <input>kedah sumping heula supados urang tiasa ngamangpaatkeun pamilih duduluran (contona, ~).

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>

Lamun aya hiji valuegeus diartikeun, <label>s otomatis bakal nyaluyukeun posisi floated maranéhna.

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>

Gaya validasi formulir ogé tiasa dianggo sapertos anu diharapkeun.

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>

Textareas

Sacara standar, <textarea>s kalawan .form-controlbakal jangkungna sarua <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>

Pikeun nyetel jangkungna custom on Anjeun <textarea>, ulah make rowsatribut. Gantina, set hiji eksplisit height(boh inline atawa via custom CSS).

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>

Milih

Lian ti .form-control, labél ngambang ngan sadia dina .form-selects. Aranjeunna tiasa dianggo dina cara anu sami, tapi teu sapertos <input>s, aranjeunna bakal nunjukkeun <label>dina kaayaan ngambang. Milih sareng sizesareng multiplehenteu didukung.

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>

Plaintext ukur dibaca

Labél ngambang ogé ngadukung .form-control-plaintext, anu tiasa ngabantosan pikeun ngalih tina nilai anu tiasa diédit <input>ka nilai plaintext tanpa mangaruhan perenah halaman.

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>

Grup input

Label ngambang ogé ngadukung .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>

Nalika nganggo .input-groupsareng .form-floatingsareng validasi formulir, éta -feedbackkedah ditempatkeun di luar .form-floating, tapi di jero .input-group. Ieu ngandung harti yén eupan balik bakal perlu ditémbongkeun maké javascript.

@
Mangga pilih ngaran pamaké.
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>

Tata perenah

Nalika damel sareng sistem grid Bootstrap, pastikeun pikeun nempatkeun elemen formulir dina kelas kolom.

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

Variabel

$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;