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 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

What does the getContext method do in Canvas?

A). A. Gets the element's context

B). B. Gets the 2D rendering context

C). C. Gets the Canvas size

D). D. Gets the Canvas ID

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

Which property sets the fill color for drawing operations in Canvas?

A). A. fillStyle

B). B. strokeStyle

C). C. lineWidth

D). D. globalAlpha

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

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

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

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

How does Canvas handle transparency in drawings?

A). A. Through opacity settings

B). B. By using blending modes

C). C. Transparent pixels are not supported

D). D. Through CSS styles

Which method is used to apply transformations like rotation or scaling on Canvas drawings?

A). A. rotate

B). B. scale

C). C. transform

D). D. applyTransform