<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head> <script src="jquery的路径引入"></script>
<script type="text/
javascript"><!--
$(document).ready(function () {
$("button:eq(0)").click(function () {
var text1 = $("input:text:eq(0)");
if (text1.attr("disabled") == "") {
// 或者text1.attr("disabled")==false
//通过设置disabled的值将第一个text输入框置为disabled
text1.attr("disabled", "disabled");
} else {
//通过覆盖的方式将第一个text输入框中的disabled属性清除掉
text1.attr("disabled", "");
}
});
$("button:eq(1)").click(function () {
var text2 = $("input:text:eq(1)");
if (text2.attr("disabled") == false) {
//通过设置disabled的值将第二个text输入框置为disabled
text2.attr("disabled", "disabled");
} else {
//通过移除的方式将第二个text输入框的disable属性删除
text2.removeAttr("disabled");
}
});
$("button:eq(2)").click(function () {
var text2 = $("input:text:eq(2)");
if (text2.attr("disabled") == false) {
//通过设置disabled的boolean属性将第三个text输入框disabled属性置为true
text2.attr("disabled", true);
} else {
//通过将第三个text输入框disabled属性置为false来移除disabled属性
text2.attr("disabled", false);
}
});
});
// --></script>
</head>
<body>
<button>disabledNull</button>
<input type="text" value="input something into me!" size="40"/>
<br/>
<button>disabledRemove</button>
<input type="text" value="input something into me!" size="40"/>
<br/>
<button>disabledState</button>
<input type="text" value="input something into me!" size="40"/>
</body>
</html>
