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

How can you draw a circle on a Canvas element using JavaScript?

A). A. Using drawCircle method

B). B. Using drawArc method

C). C. Circles cannot be drawn directly

D). D. Using arc method

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

Which method is used to draw an image onto a Canvas element?

A). A. drawImage

B). B. addImage

C). C. createImage

D). D. loadImage

What is the purpose of the Canvas getContext method?

A). A. To set the Canvas context

B). B. To get the rendering context

C). C. To change the Canvas size

D). D. To clear the 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

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

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

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

A). A. fillStyle

B). B. strokeStyle

C). C. lineWidth

D). D. globalAlpha

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