{"json_modified": "2014-03-25T16:32:17.144123", "slug": "Mozilla/Firefox/Releases/12", "tags": [], "locale": "zh-CN", "title": "Firefox 12 for developers", "translations": [{"locale": "en-US", "url": "/en-US/Firefox/Releases/12", "last_edit": "2013-04-25T02:07:43", "title": "Firefox 12 for developers"}, {"locale": "ja", "url": "/ja/docs/Mozilla/Firefox/Releases/12", "last_edit": "2013-04-19T04:08:33", "title": "Firefox 12 for developers"}, {"locale": "fr", "url": "/fr/docs/Mozilla/Firefox/Versions/12", "last_edit": "2013-06-24T12:07:45", "title": "Firefox 12 pour les d\u00e9veloppeurs"}], "modified": "2014-03-25T16:32:16", "label": "Firefox 12 for developers", "url": "/zh-CN/docs/Mozilla/Firefox/Releases/12", "last_edit": "2013-04-25T01:51:40", "summary": "Firefox 12, based on Gecko , will ship in . This article provides information about the changes in this release that will affect developers. Nightly builds of what will become Firefox 12 are currently available on the channel.", "sections": [{"id": "Changes_for_Web_developers", "title": "Changes for Web developers"}, {"id": "HTML", "title": "HTML"}, {"id": "CSS", "title": "CSS"}, {"id": "JavaScript", "title": "JavaScript"}, {"id": "DOM", "title": "DOM"}, {"id": "SVG", "title": "SVG"}, {"id": "MathML", "title": "MathML"}, {"id": "Networking", "title": "Networking"}, {"id": "Developer_tools", "title": "Developer tools"}, {"id": "Miscellaneous_changes", "title": "Miscellaneous changes"}, {"id": "Changes_for_Mozilla_and_add-on_developers", "title": "Changes for Mozilla and add-on developers"}, {"id": "JavaScript_code_modules", "title": "JavaScript code modules"}, {"id": "source-editor.jsm", "title": "source-editor.jsm"}, {"id": "XUL", "title": "XUL"}, {"id": "XPCOM", "title": "XPCOM"}, {"id": "XPConnect", "title": "XPConnect"}, {"id": "Interface_changes", "title": "Interface changes"}, {"id": "See_also", "title": "See also"}], "id": 1814, "review_tags": []}