JQuery設置和去除disabled屬性的5種方法

//兩種方法設置disabled屬性
$('#areaSelect').attr("disabled",true);

$('#areaSelect').attr("disabled","disabled");

//三種方法移除disabled屬性
$('#areaSelect').attr("disabled",false);
$('#areaSelect').removeAttr("disabled");
$('#areaSelect').attr("disabled","");