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我经常使用 jquery 的data()方法而不是创建全局变量。通常，我将它们附加到我的<body>-tag 上。
<body>
但是有什么方法可以跳过 dom 元素吗？做类似的事情会是个坏主意$.cache['foo'] = 'bar';吗？
$.cache['foo'] = 'bar';