JavaScript variables hold a wide variety of information and can be used with virtually any data type. Here's how to use variables to store numbers, text strings, objects, and more.

However, some users may be concerned about the privacy implications related to enabling JavaScript and cookies, as these tools can also be utilized to track online activity and collect user data.

While TikTok said the code’s only used for debugging, researchers also found Meta products Facebook and Instagram can track users’ in-app browser.