Polymer JS MCQ Questions And Answers

PolymerJS MCQ : This section focuses on "Basics" of Polymer JS. These Multiple Choice Questions (MCQ) should be practiced to improve the PolymerJS skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.

1. Polymer.js is a JavaScript library created by?

A. Facebook
B. Google
C. IBM
D. Oracle

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2. PolymerJs initially released on?

A. May 20, 2015.
B. Jun 27, 2015.
C. Mar 27, 2015.
D. May 27, 2015.

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3. Which of the folllowing features of polymerJS?

A. It is a JavaScript library built on top of the web standards APIs
B. It provides the polyfills (web component specifications)
C. It uses Google material design for the development of hybrid mobile application.
D. All of the above

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4. Which elements are built for e-commerce-specific use cases?

A. gold elements
B. neon element
C. platinum elements
D. molecules elements

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5. These are the basic building blocks for creating an application.

A. app elements
B. iron elements
C. paper elements
D. silver elements

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6. Which property of DOM used for building components?

A. Shadow components
B. Styling
C. Shadow DOM
D. shadow tree

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7. The fallback content can be displayed when there are __________ allocated to the slot.

A. one nodes
B. two nodes
C. three nodes
D. no nodes

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8. Data binding can be used to connect the property or an attribute of an element from the host element in its local DOM.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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9. The annotated event listeners are used by Polymer, which defines the event listeners as ________ of DOM template.

A. large chunks
B. medium chunks
C. small chunks
D. All of the above

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10. It specifies the occurrence of up and down actions.

A. up
B. down
C. tap
D. track

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