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Nkyerɛwde a ɛsensɛn nsu so

Yɛ form labels a ɛyɛ fɛ a ɛnyɛ den a ɛsensɛn wo input fields so.

Nhwɛsoɔ

Wrap a pair of <input class="form-control">and <label>elements in .form-floatingna ama floating labels a ɛwɔ Bootstrap no textual form fields no ayɛ adwuma. A placeholderwɔhwehwɛ wɔ emu biara so <input>sɛnea yɛn kwan a yɛfa so yɛ CSS-nko no floating labels no de :placeholder-shownpseudo-element no di dwuma. Afei nso hyɛ no nsow sɛ <input>ɛsɛ sɛ edi kan sɛnea ɛbɛyɛ a yebetumi de sibling selector (sɛ nhwɛso no, ~) adi dwuma.

html na ɛwɔ hɔ
<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>

Sɛ ɛwɔ hɔ a valuewɔakyerɛkyerɛ mu dedaw a, <label>s bɛsakra ne ho akɔ wɔn gyinabea a ɛsensɛn nsu so no mu.

html na ɛwɔ hɔ
<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>

Form validation styles nso yɛ adwuma sɛnea wɔhwɛ kwan no.

html na ɛwɔ hɔ
<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>

Nsɛmma nhoma ahorow

Sɛnea wɔahyɛ no, <textarea>s a ɛwɔ .form-controlno bɛyɛ ɔsorokɔ koro no ara ne <input>s.

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

Sɛ wopɛ sɛ wode custom height si wo <textarea>, so a, mfa rowsattribute no nni dwuma. Mmom, hyehyɛ explicit height(inline anaasɛ ɛnam custom CSS so).

html na ɛwɔ hɔ
<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>

Ɔpaw

Sɛ ɛnyɛ .form-control, floating labels no wɔ .form-selects nkutoo so. Wɔyɛ adwuma wɔ ɔkwan koro no ara so, nanso ɛnte sɛ <input>s no, wɔbɛkyerɛ no bere nyinaa <label>wɔ ne tebea a ɛsensɛn nsu mu no mu. Paw ne sizena multiplewɔmfa mmoa.

html na ɛwɔ hɔ
<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>

Nsɛm a wɔakyerɛw no pefee nkutoo

Floating labels nso boa .form-control-plaintext, a ebetumi aboa ma toggling fi editable <input>to plaintext value a ennya krataafa nhyehyɛe no so nkɛntɛnso.

html na ɛwɔ hɔ
<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>

Nsɛm a wɔde hyɛ mu akuw ahorow

Nkyerɛwde a ɛsensɛn nsu so nso boa .input-group.

@
html na ɛwɔ hɔ
<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>

Sɛ wode redi dwuma .input-groupna .form-floatingɛka kratasin no ho adansedi ho a, -feedbackɛsɛ sɛ wode no si .form-floating, nanso ɛwɔ .input-group. Wei kyerɛ sɛ ɛho behia sɛ wɔde javascript kyerɛ nsɛm a wɔde ama no.

@
Yɛsrɛ wo paw edin a wode bedi dwuma.
html na ɛwɔ hɔ
<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>

Twa kwan

Sɛ wode Bootstrap grid nhyehyɛe no reyɛ adwuma a, hwɛ hu sɛ wode form elements bɛto column class ahorow no mu.

html na ɛwɔ hɔ
<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

Nneɛma a Ɛsakra

$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;