HTML <input> checked katangian

HTML <input> 标籤

Paglilinaw at Paggamit

checked Ang katangian ay nagtutukoy na ang <input> element ay dapat na pre-selected kapag nagluluklok ang pahina.

checked Ang katangian ay isang boolean na katangian.

Kung na-set na ang katangian na ito, ito ay nagtutukoy na ang <input> element ay dapat na pre-selected (selected) kapag nagluluklok ang pahina.

checked Ang katangian ay maaaring gamitin kasama <input type="checkbox"> at <input type="radio"> gumamit nang magkakasama.

checked Ang mga katangian ay maaaring itatagpo pagkatapos ng pag-load ng pahina sa pamamagitan ng JavaScript code.

Halimbawa

Mayroon ng isang pre-selected checkbox na HTML form:

<form action="/action_page.php">
  <input type="checkbox" name="vehicle1" value="Bike">
  <label for="vehicle1">ฉันมีจักรยาน</label><br>
  <input type="checkbox" name="vehicle2" value="Car">
  <label for="vehicle2">ฉันมีรถยนต์</label><br>
  <input type="checkbox" name="vehicle3" value="Boat" checked>
  <label for="vehicle3">ฉันมีเรือ</label><br><br>
  <input type="submit" value="ส่ง">
</form>

ทดลองด้วยตัวเอง

การเขียน

<input checked>

การสนับสนุนเบราเซอร์

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HTML <input> 标籤