Kai tsaye na onchange

DOM ƙasaar Event ƙasaar

Tsarin da kuma amfani

Yana faruwa wuri kai wuri kai wuri kai lokaci dake na ɗan hanyar.

Farin dake ɗaɗin da ke kai tsaye na farko, kuma yana faruwa wuri kai wuri kai wuri kai.

Rarrabawo:Tasiri na event na yau: oninput ƙasaar.Duba farko: yana sauraro oninput ne yana faruwa kafin jumla ceke kuma yana sauraro onchange yana faruwa kafin jumla ceke kuma yana sauraro. Babban dacewa ne wanda yana sauraro onchange yana sauraro <select> kuma yana sauraro.

Duba

Tsammanin 1

A kawo JavaScript: ki kuma kara abin da ɗan wasan kwaikwayo yana sauraro <select> kuma yana sauraro

<select onchange="myFunction()">

Jiila cikin shi

Tsammanin 2

A kawo JavaScript: ki kuma kara abin da ɗan wasan kwaikwayo yana sauraro

<input type="text" onchange="myFunction()">

Jiila cikin shi

Yanar gaskiya

A cikin HTML:

<element onchange="myScript">

Jiila cikin shi

A cikin JavaScript:

object.onchange = function(){myScript};

Jiila cikin shi

A cikin JavaScript, a gina method addEventListener():

object.addEventListener("change", myScript);

Jiila cikin shi

Rarrabawo:Internet Explorer 8 ko kiyasta bai aminci: Method addEventListener().

Bayan gaskiya

Tasiri na baba: Gudanarwa
Iya kawo cewa: Fannan bai aminci:
Tasiri na event: Event
HTML ƙararorin suka dacewa: <input type="checkbox">, <input type="color">, <input type="date">, <input type="datetime">, <input type="email">, <input type="file">, <input type="month">, <input type="number">, <input type="password">, <input type="radio">, <input type="range">, <input type="search">, <input type="tel">, <input type="text">, <input type="time">, <input type="url">, <input type="week">, <select> kuma <textarea>
DOM ƙasaar: ƙasaar Level 2

Gudanarwa ƙasaar

ƙasaar Chrome IE Firefox Safari Opera
onchange Gudanarwa Gudanarwa Gudanarwa Gudanarwa Gudanarwa
DOM ƙasaar Event ƙasaar