tabs.onUpdated

Fired when a tab is updated.

Syntax

browser.tabs.onUpdated.addListener(listener)
browser.tabs.onUpdated.removeListener(listener)
browser.tabs.onUpdated.hasListener(listener)

Events have three functions:

addListener(callback)

Adds a listener to this event.

removeListener(listener)

Stop listening to this event. The listener argument is the listener to remove.

hasListener(listener)

Check whether listener is registered for this event. Returns true if it is listening, false otherwise.

addListener syntax

Parameters

callback

Function that will be called when this event occurs. The function will be passed the following arguments:

tabId

integer. ID of the tab that was updated.

changeInfo

object. Contains properties for the tab properties that have changed. See changeInfo below.

tab

tabs.Tab. The new state of the tab.

Additional objects

changeInfo

Lists the changes to the state of the tab that was updated. To learn more about these properties, see the tabs.Tab documentation.

statusOptional

string. The status of the tab. Can be either loading or complete.

urlOptional

string. The tab's URL if it has changed.

pinnedOptional

boolean. The tab's new pinned state.

audibleOptional

boolean. The tab's new audible state.

mutedInfoOptional

tabs.MutedInfo. The tab's new muted state and the reason for the change.

favIconUrlOptional

string. The tab's new favicon URL.

titleOptional

string. The tab's new title.

Browser compatibility

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Examples

Listen for and log all the change info and new state:

function handleUpdated(tabId, changeInfo, tabInfo) {
  console.log("Updated tab: " + tabId);
  console.log("Changed attributes: ");
  console.log(changeInfo);
  console.log("New tab Info: ");
  console.log(tabInfo);  
}
browser.tabs.onUpdated.addListener(handleUpdated);

Log changes to URLs:

function handleUpdated(tabId, changeInfo, tabInfo) {
  if (changeInfo.url) {
    console.log("Tab: " + tabId +
                " URL changed to " + changeInfo.url);
  }
}
browser.tabs.onUpdated.addListener(handleUpdated);

Example extensions

• annotate-page
• apply-css
• bookmark-it
• chill-out
• cookie-bg-picker
• history-deleter

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