tabs.captureTab()
Creates a data URL encoding the image of an area of the given tab. You must have the <all_urls> permission to use this method.
This is an asynchronous function that returns a Promise.
Syntax
let capturing = browser.tabs.captureTab(
tabId, // optional integer
options // optional extensionTypes.ImageDetails
)
Parameters
tabIdOptional-
integer. ID of the tab to capture. Defaults to the active tab in the current window. optionsOptional
Return value
A Promise that will be fulfilled with a data URL which encodes the captured image. May be assigned to the 'src' property of an HTML Image element for display. If any error occurs the promise will be rejected with an error message.
Examples
Capture an image of the active tab in the current window, with default settings:
function onCaptured(imageUri) {
console.log(imageUri);
}
function onError(error) {
console.log(`Error: ${error}`);
}
browser.browserAction.onClicked.addListener(() => {
let capturing = browser.tabs.captureTab();
capturing.then(onCaptured, onError);
});
Browser compatibility
| desktop | mobile | ||||||
|---|---|---|---|---|---|---|---|
captureTab
|
|
|
|
|
|
|
|
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
Note:
This API is based on Chromium's chrome.tabs API. This documentation is derived from tabs.json in the Chromium code.