Fix bug in example code (mdn#40556)

* Update index.md

* Fix more

---------

Co-authored-by: Joshua Chen <sidachen2003@gmail.com>

Author: Calculamatrise

files/en-us/web/api/media_capabilities_api/using_the_media_capabilities_api/index.md

@@ -112,7 +112,7 @@ The error can be due to the `type` not being one of the two possible values, the
 ```js
 navigator.mediaCapabilities
   .decodingInfo(videoConfiguration)
-  .then(console.log("It worked"))
+  .then(() => console.log("It worked"))
   .catch((error) => console.error(`It failed: ${error}`));
 ```
 

files/en-us/web/api/sharedstorage/append/index.md

@@ -48,7 +48,7 @@ A {{jsxref("Promise")}} that fulfills with `undefined`.
 ```js
 window.sharedStorage
   .append("integer-list", ",9")
-  .then(console.log("Value appended to integer list"));
+  .then(() => console.log("Value appended to integer list"));
 ```
 
 ## Specifications

files/en-us/web/api/sharedstorage/clear/index.md

@@ -39,7 +39,7 @@ A {{jsxref("Promise")}} that fulfills with `undefined`.
 ## Examples
 
 ```js
-window.sharedStorage.clear().then(console.log("Shared storage cleared"));
+window.sharedStorage.clear().then(() => console.log("Shared storage cleared"));
 ```
 
 ## Specifications

files/en-us/web/api/sharedstorage/delete/index.md

@@ -47,7 +47,7 @@ A {{jsxref("Promise")}} that fulfills with `undefined`.
 ```js
 window.sharedStorage
   .delete("ab-testing-group")
-  .then(console.log("Value deleted"));
+  .then(() => console.log("Value deleted"));
 ```
 
 ## Specifications

files/en-us/web/api/sharedstorage/index.md

@@ -34,7 +34,7 @@ The **`SharedStorage`** interface of the {{domxref("Shared Storage API", "Shared
 ```js
 window.sharedStorage
   .set("ab-testing-group", "0")
-  .then(console.log("Value saved to shared storage"));
+  .then(() => console.log("Value saved to shared storage"));
 ```
 
 ## Specifications

files/en-us/web/api/sharedstorage/set/index.md

@@ -52,7 +52,7 @@ window.sharedStorage
   .set("ab-testing-group", "0", {
     ignoreIfPresent: true,
   })
-  .then(console.log("Set operation completed"));
+  .then(() => console.log("Set operation completed"));
 ```
 
 ## Specifications

files/en-us/web/api/window/sharedstorage/index.md

@@ -24,7 +24,7 @@ A {{domxref("WindowSharedStorage")}} object instance.
 ```js
 window.sharedStorage
   .set("ab-testing-group", "0")
-  .then(console.log("Value saved to shared storage"));
+  .then(() => console.log("Value saved to shared storage"));
 ```
 
 ## Specifications