Comme indiqué ci-dessous:
Copier le code du code comme suit:
<!
<html xmlns = "http://www.w3.org/1999/xhtml">
<adal>
<meta http-equiv = "content-type" content = "text / html; charset = utf-8" /> />
<Title> Document non-title </TITME>
<script type = "text / javascript">
Fuinction Selchange () {
var sel = document.getElementById ('sel');
alert (sel.options [sel.selectEx] .Text); texte);
alerte (sel.options [sel.selectEx]. valeur);
}
</cript>
</ head>
<body>
<select id = "sel" onchange = "selchange ()">
<Option Value = "Zhangsan"> Zhang San </opoption>
<Option Value = "Lisi"> li si </opoption>
<option valeur = "wangwu"> wang wu </ option>
</lect>
</docy>
</html>