Q
What does the clearRect method do in Canvas?

Answer & Solution

Answer: Option B
Solution:
The clearRect method in Canvas is used to clear a specified rectangular area, allowing for dynamic content changes.
Related Questions on Average

Which event is commonly used to trigger drawing operations on a Canvas element?

A). A. click event

B). B. load event

C). C. hover event

D). D. submit event

Which property sets the line style (width and style) for drawing operations in Canvas?

A). A. lineWidth

B). B. lineStyle

C). C. strokeStyle

D). D. borderStyle

How do you set the dimensions of a Canvas element in HTML?

A). A. Using size attribute

B). B. Using dimensions attribute

C). C. Using width and height attributes

D). D. Using scale attribute

What is the primary purpose of the HTML element?

A). A. Embedding videos

B). B. Rendering graphics

C). C. Creating forms

D). D. Playing audio

How does Canvas handle text rendering?

A). A. As vector-based text

B). B. As bitmap-based text

C). C. Using external font libraries

D). D. Text cannot be rendered on Canvas

How can you access a Canvas element in JavaScript?

A). A. Using getElementById

B). B. Using getElementsByClassName

C). C. Using getElementsByTagName

D). D. All of the above

What does the fillRect method do in Canvas?

A). A. Draws a rectangle with a fill color

B). B. Clears the Canvas

C). C. Draws a circle

D). D. Draws a line

Which method is used to start a new path in Canvas for drawing shapes?

A). A. startPath

B). B. beginPath

C). C. newPath

D). D. createPath

Which rendering context is commonly used for 2D graphics in Canvas?

A). A. 3d

B). B. webgl

C). C. 2d

D). D. canvas

What is the purpose of the toDataURL method in Canvas?

A). A. To export Canvas data to a server

B). B. To convert Canvas content to an image URL

C). C. To resize the Canvas

D). D. To create a new Canvas