Which JavaScript API is based on OpenGL ES and used for 3D graphics in web browsers?
A). WebGL
B). Canvas
C). SVG
D). WebAudio
What does WebGL stand for?
A). Web Graphics Library
B). Web Graphics Layer
C). Web Graphics Language
D). Web Graphics Layout
How are vertices and faces typically defined in WebGL geometry?
A). Arrays and indices
B). Coordinates and colors
C). Lines and circles
D). Textures and patterns
What is the purpose of a viewport in WebGL?
A). Displaying rendered graphics
B). Managing shaders and programs
C). Handling user input
D). Controlling canvas size
Which function is used to obtain the WebGL context in JavaScript?
A). getContext('webgl')
B). getWebGLContext()
C). obtainWebGLContext()
D). getRenderingContext()
What is the primary advantage of using WebGL for 3D graphics?
A). High-performance rendering
B). Low-quality graphics
C). Limited compatibility
D). Slow rendering
What type of graphics does WebGL primarily focus on?
A). 3D graphics
B). 2D graphics
C). Vector graphics
D). Audio graphics
Which element is used to display WebGL content in HTML documents?
A). Canvas
B). WebGL
C). SVG
D). Audio
How does a fragment shader differ from a vertex shader in WebGL?
A). Processes fragments/pixels
B). Processes vertices/points
C). Manages rendering pipeline
D). Handles user interaction
What is the purpose of shaders in WebGL?
A). Customizing rendering pipelines
B). Managing WebGL context
C). Rendering 2D graphics
D). Handling user input