{"json_modified": "2016-03-28T08:29:10.982239", "uuid": "3006eaed-2cc3-4d82-a143-737c1466c96e", "title": "TreeWalker.firstChild()", "url": "/en-US/docs/Web/API/TreeWalker/firstChild", "tags": ["API", "DOM", "DOM Reference", "TreeWalker", "Method"], "translations": [], "modified": "2015-02-22T15:13:18", "label": "TreeWalker.firstChild()", "localization_tags": [], "locale": "en-US", "id": 81637, "last_edit": "2015-02-22T15:10:11", "summary": "The <strong><code>TreeWalker.firstChild()</code></strong> method moves the current <a href=\"/en-US/docs/Web/API/Node\" title=\"A Node is an interface from which a number of DOM types inherit, and allows these various types to be treated (or tested) similarly.\"><code>Node</code></a> to the first <em>visible</em> child of the current node, and returns the found child. It also moves the current node to this child. If no such child exists, returns <code>null</code> and the current node is not changed.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Example", "title": "Example"}, {"id": "Specification", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/TreeWalker/firstChild", "review_tags": []}