Question: What is the "User-Agent String" in the context of web browsers, and why is it relevant to cross-browser compatibility?

Answer:

The User-Agent String is a string identifying the user's device and browser. It's relevant to cross-browser compatibility as it's used to tailor content and functionality to specific browsers.

MCQ: What is the "User-Agent String" in the context of web browsers, and why is it relevant to cross-browser compatibility?

A. A string identifying the user's name
B. A string identifying the user's physical location
C. A string identifying the user's device and browser
D. A string used to control server performance

Correct Answer: A. A string identifying the user's name

Explanation:

The User-Agent String is a string identifying the user's device and browser. It's relevant to cross-browser compatibility as it's used to tailor content and functionality to specific browsers.