{"json_modified": "2016-09-28T18:03:16.990709", "uuid": "77ec82ff-5d2e-46ed-9da4-d2895144cdd9", "title": "Intersection Observer API", "url": "/en-US/docs/Web/API/Intersection_Observer_API", "tags": ["API", "Landing", "Reference", "IntersectionObserver", "Intersection Observer API", "Overview"], "translations": [{"uuid": "a25c10ac-2a7c-4d17-86c1-397620bbd309", "title": "Intersection Observer API", "url": "/zh-CN/docs/Web/API/Intersection_Observer_API", "tags": [], "summary": "Intersection observer\u00a0\u5141\u8bb8\u4f60\u914d\u7f6e\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\uff0c\u79f0\u4e3a\u76ee\u6807\u7684\u56de\u8c03\uff0c\u4e0e\u4e4b\u76f8\u4ea4\u89c6\u53e3\u6216\u79f0\u4e3a\u6307\u5b9a\u7684\u5143\u7d20.\u5bf9\u4e8e\u8fd9\u4e2aAPI,\u6839\u5143\u7d20\u7684\u76ee\u7684,\u901a\u8fc7\u8c03\u7528\u5176\u6784\u9020\u51fd\u6570\u5e76\u5c06\u5176\u4f20\u9012\u7ed9\u56de\u8c03\u51fd\u6570\u7684\u5f15\u7528\u521b\u5efa\u8def\u53e3\u68c0\u67e5\u3002", "localization_tags": ["inprogress"], "locale": "zh-CN", "last_edit": "2016-09-28T18:03:12", "review_tags": []}], "modified": "2016-09-12T12:14:40", "label": "Intersection Observer API", "localization_tags": [], "locale": "en-US", "id": 186156, "last_edit": "2016-09-12T12:14:36", "summary": "The Intersection Observer API allows you to configure a callback that is called whenever one item, called a target, intersects either the device viewport or a specified element called, for the purpose of this API, the root element. Create the intersection observer by calling its constructor and passing it a reference to the callback function.", "sections": [{"id": "Intersection_observer_concepts_and_usage", "title": "Intersection observer concepts and usage"}, {"id": "Interfaces", "title": "Interfaces"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_Compatibility", "title": "Browser Compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/Intersection_Observer_API", "review_tags": []}