- Adocument(images)
- Bdocument.images
- Cdocument(img)
- Ddoc(img)
Javascript Graphics and Rendering MCQ - Quiz
- AFile type
- BMusic type
- CBoth File and Music
- DVideo type
- ACreates drawing surface
- BExposes powerful drawing API to client-side JavaScript
- CCreates drawing surface & Exposes powerful drawing API to client-side JavaScript
- DCreates a rectangular box
- Abegin()
- Bpath()
- CcreatePath()
- DbeginPath()
- AshadowColor
- BshadowBlur
- CstrokeStyle
- Dstroke
- AParsing objects in page
- BDrawing all objects in page
- CBoth Parsing & Drawing all objects in page
- DRendering object
- ACompiling the JavaScript
- BInterpreting the JavaScript
- CBoth Compiling & Interpreting the JavaScript
- DParsing the javascript
- ANetwork Layer
- BTransport Layer
- CApplication Layer
- DPresentation Layer
- AFirefox
- BInternet Explorer
- CSafari
- DOpera
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🟢 Correct Answers: 🔴 Wrong Answers:
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Javascript Graphics and Rendering MCQ - Quiz
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Correct Answer:
Wrong Answer:
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- A. document(images)
- B. document.images
- C. document(img)
- D. doc(img)
Remarks:
Explanation:
To find all img elements in the document, the best option is document.image[]. [index] specifies the index of the img tag to be selected.
- A. File type
- B. Music type
- C. Both File and Music
- D. Video type
Remarks:
Explanation:
The HTMLAudioElement interface provides access to audio> element properties as well as methods for manipulating them.
It is based on the HTMLMediaElement interface.
The Audio() function Object() { [native code] } accepts any file type that contains audio to be played as a parameter.
- A. 098
- B. 98
- C. Error
- D. Undefined
Remarks:
Explanation:
The function valueOf() { [native code] }() method returns a number's primitive value.
In the preceding example, the value of num would be 98.
- A. Creates drawing surface
- B. Exposes powerful drawing API to client-side JavaScript
- C. Creates drawing surface & Exposes powerful drawing API to client-side JavaScript
- D. Creates a rectangular box
Remarks:
Explanation:
The HTML canvas element is used in JavaScript to draw graphics on the fly.
The canvas element is nothing more than a container for graphics.
The canvas element does not have its own appearance, but it creates a drawing surface within the document and exposes a powerful drawing API to client-side JavaScript.
- A. begin()
- B. path()
- C. createPath()
- D. beginPath()
Remarks:
Explanation:
The beginPath() method either starts or resets a path.
It is invoked prior to the creation of any path or curve.
- A. shadowColor
- B. shadowBlur
- C. strokeStyle
- D. stroke
Remarks:
Explanation:
shadowBlur is used to determine whether shadows are crisp or fuzzy. The blur level for shadows is set or returned by the shadowBlur property.
- A. Parsing objects in page
- B. Drawing all objects in page
- C. Both Parsing & Drawing all objects in page
- D. Rendering object
Remarks:
Explanation:
It is in charge of displaying the web page.
The rendering engine parses the HTML and CSS and displays the content that has been parsed on the screen.
A Rendering Engine is commonly used to parse and draw all of the objects on a page.
- A. Compiling the JavaScript
- B. Interpreting the JavaScript
- C. Both Compiling & Interpreting the JavaScript
- D. Parsing the javascript
Remarks:
Explanation:
The JavaScript Engine is commonly used to interpret JavaScript.
It is used to interpret the javascript and run it on the web page.
- A. Network Layer
- B. Transport Layer
- C. Application Layer
- D. Presentation Layer
Remarks:
Explanation:
HTTP is a protocol that enables the retrieval of resources such as HTML documents.
It is the foundation of all data exchange on the Internet and a client-server protocol, which means that requests are initiated by the recipient, which is usually the Web browser.
HTTP requests are handled by the network layer.
- A. Firefox
- B. Internet Explorer
- C. Safari
- D. Opera
Remarks:
Explanation:
SpiderMonkey is a JavaScript engine written in C and C++ by Mozilla.
It is used in several Mozilla products, including Firefox, and is free and open source under the MPL2. SpiderMonkey is the Mozilla JavaScript engine that is used in Firefox.