HTML <input> required 属性

定义和用法

required 属性规定必需在提交之前填写输入字段。

required 属性是一个布尔属性。

Idan a yi amfani da wannan ƙasa, akwai ƙasa mai wajib (taiwai mai zubair).

Rarrabawo:required 属性 ce kuma ƙasa na ƙarancin ƙasa na:

  • text
  • search
  • url
  • tel
  • email
  • password
  • date pickers
  • number
  • checkbox
  • radio
  • file

Shirin

HTML ƙasa tare da input mai wajib

<form action="/action_page.php">
  <label for="username">Kuma:</label>
  <input type="text" id="username" name="username" required>
  <input type="submit">
</form>

Sai ya shi amfani

Gwamnanci

<input required>

Rarrabawar ƙasa

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
5.0 10.0 4.0 10.1 9.6

Rarrabawo:required 属性 ce kuma ƙasa na HTML5.