Which HTML element is used to define a short inline quotation?

The element is used to define a short inline quotation. Unlike the

element, which is used for longer quotations that are displayed in a block format, the element is intended for short quotations that remain within the flow of a paragraph or sentence.

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Can block-level elements be placed inside inline-level elements without affecting validity and semantics?

It depends on the HTML version used.
No, it's semantically incorrect.
Only if the inline element has a display setting of 'block'.
Yes, they can be nested without issues.

Semantically, block-level elements should not be nested inside inline-level elements. Doing so can lead to unpredictable behavior in rendering and can also make the HTML document invalid. This practice goes against the standard document flow where block-level elements are used to structure the content while inline-level elements style specific parts within those blocks.

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You need to load a script without blocking the HTML parser during the loading phase. How would you use the "async" and "defer" attributes to achieve this, and what are the key differences between them?

Use "async" and "defer" interchangeably as they have identical functionalities.
Use "async" to load the script after the HTML is parsed and "defer" to execute the script immediately.
Use "async" to load the script in parallel and execute it as soon as it finishes downloading; use "defer" to load the script in parallel but defer its execution until after the HTML is parsed.
Use "async" to pause the HTML parser and "defer" to load the script in parallel.

Both "async" and "defer" are attributes used with