Lines Matching full:background
226 Many extensions have a <em>background page</em>,
237 <h3 id="background_page">The background page</h3>
245 have background pages defined by HTML files.
246 This figure shows the browser action's background page,
247 which is defined by <code>background.html</code>
254 alt="Two windows and a box representing a background page (background.html). One window has a yellow icon; the other has both a yellow icon and a blue icon. The yellow icons are connected to the background page." />
257 Although background pages can be useful,
259 Background pages are always open,
260 so when a user installs many extensions that have background pages,
264 <!-- PENDING: Perhaps show a picture of many background page processes.
270 <b>do not need</b> a background page:
294 See <a href="background_pages.html">Background Pages</a>
321 (It might lead people to think that popups need background pages.) -->
329 This extension also happens to have a background page
330 (<code>background.html</code>).
332 that's in the background page
333 because the popup can invoke functions on the background page.
338 alt="A browser window containing a browser action that's displaying a popup. The popup's HTML file (popup.html) can communicate with the extension's background page (background.html)." />
378 It cannot, however, modify the DOM of its parent extension's background page.
383 alt="A browser window with a browser action (controlled by background.html) and a content script (controlled by contentscript.js)." />
391 Or a background page might send a message
456 because it synchronously returns the background page
562 <!-- [PENDING: Here's an example of communication between xyz and the background page. (code example goes here)] -->