Front End Developer Mock Interview
Practice 30 Front End Developer interview questions covering HTML, CSS, JavaScript, frameworks, and performance optimization.
Question 16 of 30
Talk to me about z-index and how stacking context is formed.
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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
An interesting question that may be difficult for inexperienced front-end developers to answer. It appears to be two separate questions and can be answered as such. However, the two topics addressed in this question are related. You can respond to this question by addressing this relationship. How you respond to a question like this is not as important as demonstrating your knowledge of the topic and providing the information the interviewer is looking for.
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"Z-index is a CSS property that determines the z-order of an element position within the container and its descendants. Elements with larger z-index cover or overlap those with smaller ones. This is also known as stacking context. Stacking context allows an element with a fixed position to overlap one with a large z-index, especially if the z-index value is auto."
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