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MCQs

Total Questions : 87 | Page 9 of 9 pages
Question 81. Which is a JavaScript running in the background, without affecting the performance of the page.
  1.    SVG
  2.    Canvas
  3.    Web Worker
  4.    None of these
 Discuss Question
Answer: Option C. -> Web Worker
Question 82. Which event will be used when a connection to the server is opened.
  1.    None of these
  2.    onerror
  3.    onmessage
  4.    onopen
 Discuss Question
Answer: Option D. -> onopen
Question 83. Which method retrieves periodic updates about the current geographic location of the device.
  1.    getCurrentPosition()
  2.    clearWatch()
  3.    watchPosition()
  4.    All the mentioned above
 Discuss Question
Answer: Option C. -> watchPosition()
Question 84. Which of the following attribute triggers event after the document is printed?
  1.    onprint
  2.    offlineprint
  3.    onafterprint
  4.    onbeforeprint
 Discuss Question
Answer: Option C. -> onafterprint
Question 85. Which method is used to increase or decrease the units in a canvas grid.
  1.    Canvas Rotation
  2.    Canvas Transform
  3.    Canvas Scaling
  4.    Canvas Composition
 Discuss Question
Answer: Option C. -> Canvas Scaling
Question 86. The canvas element has a DOM method it is called.
  1.    getId
  2.    getElement
  3.    None of these
  4.    getContext
 Discuss Question
Answer: Option D. -> getContext
Question 87. The HTML canvas is a
  1.    Three-dimensional grid
  2.    None of these
  3.    One-dimensional grid
  4.    Two-dimensional grid
 Discuss Question
Answer: Option D. -> Two-dimensional grid

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