Front End Development Core Technologies & Fundamentals Flashcards
6 cards from real Front End Development practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Front End Development Core Technologies & Fundamentals flashcards as text
Which CSS property is used to change the stacking order of positioned elements?
Answer: z-index
The z-index property specifies the stack order of a positioned element — higher values appear on top.
What does the HTML doctype declaration specify?
Answer: The document type as HTML5
instructs the browser to render the page in standards mode using the HTML5 doctype.
Which JavaScript method returns a new array containing elements that pass a test function?
Answer: filter()
The filter() method creates a new array with all elements for which the provided callback function returns true.
In CSS Flexbox, which property aligns flex items along the cross axis?
Answer: align-items
align-items controls how flex items are aligned along the cross axis (perpendicular to the main axis).
What does 'semantic HTML' mean in front-end development?
Answer: Using HTML elements that convey meaning about the content they contain
Semantic HTML uses elements like , , and that clearly describe their purpose and content to browsers and developers.
Which CSS pseudo-class targets an element when the user hovers over it?
Answer: :hover
The :hover pseudo-class applies styles to an element when the user's pointer device is positioned over it.
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