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>
