{"json_modified": "2016-03-28T08:05:59.831880", "uuid": "ff262523-fb0c-474e-abac-168616fb2f9f", "title": "JavaScript Debugger Service", "url": "/en-US/docs/Mozilla/Add-ons/Code_snippets/JavaScript_Debugger_Service", "tags": ["Code snippets"], "translations": [], "modified": "2016-01-20T01:42:40", "label": "JavaScript Debugger Service", "localization_tags": [], "locale": "en-US", "id": 8067, "last_edit": "2016-01-20T01:42:38", "summary": "In Firefox versions prior to Gecko 33 (Firefox 33 / Thunderbird 33 / SeaMonkey 2.30), the JavaScript Debugger Service (or simply JSD) used to be an XPCOM component that allows the tracking of JavaScript while it was being executed in the browser. However, JSD has been removed in favor of the <a href=\"/en-US/docs/Tools/Debugger-API\"><code>Debugger</code> API</a>. See the tracking bug <a href=\"https://bugzilla.mozilla.org/show_bug.cgi?id=800200\" title=\"FIXED: rm JSD\">bug\u00a0800200</a> for more details.", "sections": [{"id": "Snippets", "title": "Snippets"}, {"id": "Acquiring_the_service", "title": "Acquiring the service"}, {"id": "Hooks", "title": "Hooks"}, {"id": "A_simple_stack_trace", "title": "A simple stack trace"}, {"id": "Filters", "title": "Filters"}, {"id": "Learning_more", "title": "Learning more"}], "slug": "Mozilla/Add-ons/Code_snippets/JavaScript_Debugger_Service", "review_tags": []}