复制代码代码如下:
<html>
<head>
<title> وثيقة جديدة </title>
<meta name = "generator" content = "editPlus">
<meta name = "المؤلف" content = "">
<meta name = "الكلمات الرئيسية" content = "">
<meta name = "الوصف" content = "">
</head>
<script language = "javaScript">
وظيفة isReadonly () {
var obj = document.getElementById ("اسم المستخدم") ؛
obj.setattribute ("readonly" ، صحيح) ؛
obj.style.backgroundColor = "#d2d2d2" ؛
}
وظيفة readwrite () {
var obj = document.getElementById ("اسم المستخدم") ؛
obj.setattribute ("readonly" ، false) ؛
obj.style.backgroundColor = "#ffffff" ؛
}
</script>
<body>
<form name = "addform" id = "addForm" method = "post" Action = "">
<type type = "text" id = "username" name = "username">
<type type = "button" name = "只读" value = "read" onClick = "isReadOnly () ؛">
<type type = "button" name = "可写" value = "write" onClick = "readWrite () ؛">
</form>
</body>
</html>
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点击 "اقرأ" 按钮 ， الإدخال 框不能书写 ， 且变灰；点击 "الكتابة" 按钮 ， الإدخال 框恢复。
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