复制代码代码如下:
<html>
<adal>
<Title> Nouveau document </TITME>
<meta name = "générateur" contenu = "editplus">
<meta name = "auteur" content = "">
<meta name = "keywords" contenu = "">
<meta name = "Description" content = "">
</ head>
<script linguisse = "javascript">
fonction isReadOnly () {
var obj = document.getElementById ("nom d'utilisateur");
obj.setAttribute ("readonly", true);
obj.style.backgroundcolor = "# d2d2d2";
}
fonction readwrite () {
var obj = document.getElementById ("nom d'utilisateur");
obj.setAttribute ("readonly", false);
obj.style.backgroundcolor = "# ffffff";
}
</cript>
<body>
<form name = "addform" id = "addform" méthode = "post" action = "">
<input type = "text" id = "username" name = "username">
<input type = "Button" name = "只读" value = "read" onclick = "isReadonly ();">
<input type = "Button" name = "可写" value = "write" onclick = "readwrite ();">
</ form>
</docy>
</html>
<! -
点击 «lire» 按钮 ， entrée 框不能书写 ， 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 且变灰；点击 work
->