jQuery禁用多个下拉菜单不起作用 [英] jQuery Disable Multiple Dropdowns Not Working

问题描述

我有一个企业进入他们的时间的下拉菜单。每天有一个下拉列表，标题为hours_dayname_open和hours_dayname_closed。我也有一个复选框将其标记为关闭。

I have dropdowns for a business to enter their hours. Each day has a drop down with the ID of hours_dayname_open and hours_dayname_closed. I also have a checkbox to mark it as closed. I am using the following jQuery to disable the drop down if it is checked:

$("#closed_monday").click( function(){
    if($(this).is(':checked')){
        $("#hours_monday_open").attr("disabled", true);
        $("#hours_monday_closed").attr("disabled", true);
    }else{
        $("#hours_monday_open").attr("disabled", false);
        $("#hours_monday_closed").attr("disabled", false);
    }
});

但是，如果选中复选框，则仅禁用/启用营业时间...关闭下拉菜单似乎被忽略了。

However, when the checkbox is selected only the open hours is disabled/enabled... The closed dropdown seems to be getting ignored.

推荐答案

奇怪的是，正确的属性是 disabled ，而不是 true 。

The proper attribute, strangely, is disabled, not true.

$("#hours_monday_open").attr("disabled", "disabled");

要启用它，请移除disabled属性：

To enable it, remove the disabled attribute:

$("#hours_monday_open").removeAttribute("disabled");

由于jQuery 1.6，您可以使用。prop（）功能来清除/设置它。

Since jQuery 1.6, you can use the .prop() functionality to clear/set this.

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