scripting.updateContentScripts()

Updates registered content scripts. If there are errors during script parsing and file validation, or if the IDs specified do not exist, no scripts are updated.

Note: This method is available in Manifest V3 or higher in Chrome and Firefox 101. In Firefox 102+, this method is also available in Manifest V2.

To use this API you must have the "scripting" permission and permission for the page's URL, either explicitly as a host permission or using the activeTab permission.

This is an asynchronous function that returns a Promise.

Syntax

await browser.scripting.updateContentScripts(
  scripts         // object
)

Parameters

scripts: array of scripting.RegisteredContentScript. Details of a script to update. All the properties are optional except for id.

Return value

A Promise that fulfills with an array of scripting.RegisteredContentScript. If any error occurs, the promise is rejected.

Examples

This example updates a content script registered with ID a-script by setting allFrames to true:

try {
  await browser.scripting.registerContentScripts([
    {
      id: "a-script",
      js: ["script.js"],
      matches: ["*://example.org/*"],
    },
  ]);

  // Update content script registered before to allow execution
  // in all frames:
  await browser.scripting.updateContentScripts([
    {
      id: "a-script",
      allFrames: true,
    },
  ]);
} catch (err) {
  console.error(`failed to register or update content scripts: ${err}`);
}

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`updateContentScripts`	88	88	102	?	74	16.4 Available for use in Manifest V2 or later.	?	?	102	?	16.4 Available for use in Manifest V2 or later.	?

Note: This API is based on Chromium's chrome.scripting API.

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/scripting/updateContentScripts