{"json_modified": "2016-03-28T08:45:40.625825", "uuid": "27e63833-a26d-4d1e-bc84-63649a8e2869", "title": "WebRequest.jsm", "url": "/en-US/docs/Mozilla/JavaScript_code_modules/WebRequest.jsm", "tags": [], "translations": [], "modified": "2015-12-10T08:10:46", "label": "WebRequest.jsm", "localization_tags": [], "locale": "en-US", "id": 153557, "last_edit": "2015-12-10T08:10:43", "summary": "The WebRequest module provides an API to add event listeners for the various stages of making an HTTP request", "sections": [{"id": "Usage", "title": "Usage"}, {"id": "Adding_listeners", "title": "Adding listeners"}, {"id": "Filtering", "title": "Filtering"}, {"id": "Modifying_canceling_requests", "title": "Modifying & canceling requests"}, {"id": "Events", "title": "Events"}, {"id": "onBeforeRequest", "title": "onBeforeRequest"}, {"id": "opt_extraInfoSpec_values", "title": "opt_extraInfoSpec values"}, {"id": "Listener_argument", "title": "Listener argument"}, {"id": "onBeforeSendHeaders", "title": "onBeforeSendHeaders"}, {"id": "opt_extraInfoSpec_values_2", "title": "opt_extraInfoSpec values"}, {"id": "Listener_argument_2", "title": "Listener argument"}, {"id": "onSendHeaders", "title": "onSendHeaders"}, {"id": "opt_extraInfoSpec_values_3", "title": "opt_extraInfoSpec values"}, {"id": "Listener_argument_3", "title": "Listener argument"}, {"id": "onHeadersReceived", "title": "onHeadersReceived"}, {"id": "opt_extraInfoSpec_values_4", "title": "opt_extraInfoSpec values"}, {"id": "Listener_argument_4", "title": "Listener argument"}, {"id": "onResponseStarted", "title": "onResponseStarted"}, {"id": "opt_extraInfoSpec_values_5", "title": "opt_extraInfoSpec values"}, {"id": "Listener_argument_5", "title": "Listener argument"}, {"id": "onCompleted", "title": "onCompleted"}, {"id": "opt_extraInfoSpec_values_6", "title": "opt_extraInfoSpec values"}, {"id": "Listener_argument_6", "title": "Listener argument"}, {"id": "Types", "title": "Types"}, {"id": "Resource_types", "title": "Resource types"}, {"id": "HTTP_headers", "title": "HTTP headers"}, {"id": "Chrome_incompatibilities", "title": "Chrome incompatibilities"}, {"id": "Examples", "title": "Examples"}, {"id": "Basic_examples", "title": "Basic examples"}, {"id": "Filtering_2", "title": "Filtering"}, {"id": "Canceling", "title": "Canceling"}, {"id": "Redirecting", "title": "Redirecting"}, {"id": "Modifying_headers", "title": "Modifying headers"}], "slug": "Mozilla/JavaScript_code_modules/WebRequest.jsm", "review_tags": []}