{"mdn_url":"https://developer.mozilla.org/docs/Web/API/IntersectionObserver/rootMargin","source_file":"api/IntersectionObserver.json","spec_url":"https://w3c.github.io/IntersectionObserver/#dom-intersectionobserver-rootmargin","status":{"deprecated":false,"experimental":false,"standard_track":true},"support":{"chrome":{"version_added":"51"},"chrome_android":{"version_added":"51"},"edge":{"version_added":"15"},"firefox":{"version_added":"55"},"firefox_android":{"version_added":"55"},"ie":{"version_added":false},"oculus":{"version_added":"5.0"},"opera":{"version_added":"38"},"opera_android":{"version_added":"41"},"safari":{"notes":"<code>rootMargin</code> does not work with <code>&lt;iframe&gt;</code>s.","version_added":"12.1"},"safari_ios":{"notes":"<code>rootMargin</code> does not work with <code>&lt;iframe&gt;</code>s.","version_added":"12.2"},"samsunginternet_android":{"version_added":"5.0"},"webview_android":{"version_added":"51"}}}