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我有一个 facebook likebox 向上滑动。当页面滚动到 75% 时，它会向上滑动。我希望上滑仅在触发时才加载likebox。但即使它没有被触发，它也会在后台加载likebox（根据pingdom工具测试）。有没有办法避免在未触发时加载likebox？
网站：thegeekdiary.com
用于创建上滑的插件：滚动触发框