Error handling for scripting.executeScript() (mdn#22279)

* Error handling for scripting.executeScript() * Corrections * Feedback suggestion Co-authored-by: Rob Wu <[email protected]> Co-authored-by: Rob Wu <[email protected]>
teoli2003 · Nov 20, 2022 · d3dc224 · d3dc224
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diff --git a/files/en-us/mozilla/add-ons/webextensions/api/scripting/executescript/index.md b/files/en-us/mozilla/add-ons/webextensions/api/scripting/executescript/index.md
@@ -65,9 +65,7 @@ Each `InjectionResult` object has these properties:
 - `result` {{optional_inline}}
  - : `any`. The result of the script execution.
 - `error` {{optional_inline}}
- - : `object`. When the injection fails, details of the failure errors.
- - `message`
- - : `string`. A message explaining why the injection failed.
+ - : `any`. If an error occurs, contains the value the script threw or rejected with. Typically this is an error object with a message property but it could be any value (including primitives and undefined).
 
 The result of the script is the last evaluated statement, which is similar to the results seen if you executed the script in the [Web Console](https://firefox-source-docs.mozilla.org/devtools-user/web_console/index.html) (not any `console.log()` output). For example, consider a script like this:
 

diff --git a/files/en-us/mozilla/firefox/releases/107/index.md b/files/en-us/mozilla/firefox/releases/107/index.md
@@ -67,6 +67,8 @@ No notable changes
 
 ### Other
 
+- The `error` property returned when an error occurs in {{WebExtAPIRef("scripting.executeScript")}} now represents any value the script throws or rejects with, instead of being just an object with a message property {{bug(1740608)}}.
+
 ## Older versions
 
 {{Firefox_for_developers(106)}}