HTML <select> required 属性

HTML <select> ƙaɗan

定义和用法

required 属性是一个布尔属性。

Yana cikin hanyar, yana bayyana cewa mazaunin yana da dukiya don zaɓa cikin hanyar samfara bayan cewa ya zabi samfara.

Samfara

Hanyan samfara HTML fada cikin samfara na zaɓa

<label for="cars">Raba samfara ƙaɗaɗo:</label>
<select name="cars" id="cars" required>
  <option value="">Ba wanda a keɓe</option>
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="mercedes">Mercedes</option>
  <option value="audi">Audi</option>
</select>

Fara ƙara

Tsarin

<select required>

Samfara samfara

Tsohon daga cikin tabbin tsaɓan samfara yana bayyana samfara na farko da ake samar da wannan ƙaɗaɗo.

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
Tunansa 10.0 4.0 Tunansa Tunansa

HTML <select> ƙaɗan