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.

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

The company said the JavaScript code is part of a third-party software development kit, ... In June, BuzzFeed News reported that U.S. user data had been repeatedly accessed from China.