我有一个大数组,其中包含非连续的ID,看起来像这样:
PhotoList[89725] = new Array();
PhotoList[89725]['ImageID'] = '89725';
PhotoList[89725]['ImageSize'] = '123';
PhotoList[89726] = new Array();
PhotoList[89726]['ImageID'] = '89726';
PhotoList[89726]['ImageSize'] = '234';
PhotoList[89727] = new Array();
PhotoList[89727]['ImageID'] = '89727';
PhotoList[89727]['ImageSize'] = '345';
Etc....
我正在尝试找出如何根据ID获取下一个和上一个ID... 这样我就可以做这样的事情:
<div id="current">Showing You ID: 89726 Size: 234</div>
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显然,如果我们在数组的末尾或开头,我们只需发送一条消息...