6 questions for “Security: XSS”

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Information Technology

6 questions in 1 technology

#	Question	Technology	Topic	Level
1	How do you select and modify an element's text content? JavaScript › DOM & Events	JavaScript	DOM & Events	Beginner
2	How do you use the replacer parameter of JSON.stringify() to control what gets serialized? JavaScript › JSON & Data Serialization	JavaScript	JSON & Data Serialization	Intermediate
3	What is CORS and why does the browser block certain cross-origin requests? JavaScript › Networking: Fetch, XHR, WebSockets & CORS	JavaScript	Networking: Fetch, XHR, WebSockets & CORS	Intermediate
4	How do cookies differ from localStorage for storing data? JavaScript › Browser Storage & Web APIs	JavaScript	Browser Storage & Web APIs	Advanced
5	How do you safely parse potentially untrusted JSON without exposing your app to prototype pollution? JavaScript › JSON & Data Serialization	JavaScript	JSON & Data Serialization	Advanced
6	What is a CORS preflight request, and which requests trigger one? JavaScript › Networking: Fetch, XHR, WebSockets & CORS	JavaScript	Networking: Fetch, XHR, WebSockets & CORS	Advanced