BlackBerry Senior Front End Engineer Interview Questions and Answers

Q1. Repaint vs reflow
Ans. 
Repaint involves changing the visual appearance of an element, while reflow involves recalculating the layout of elements on the page.
• Repaint is when changes are made to an element's style that do not affect its layout, such as color or background.

• Reflow is when changes are made to an element's layout that affect its position or size, triggering a recalculation of the entire page layout.

• Repaint is less resource-intensi...read more
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Q2. Implement debounce
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Question are very tough and faad

Question like trees linked list and graphs

Q1. About JS in general
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Q2. Basic JS concepts
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Aptitude is generally ask some MCQ choice questions like time, speed, distance etc

Front end developer have some knowledge in HTML CSS javascript php so ask this language

GD is nothing but it's testing our community and quality of thought in your opinion