MCSD MCSD Programming in HTML5 2

Question 1

Which HTML5 API allows you to draw 2D graphics programmatically using JavaScript?

Accepted Answer

Canvas API

Answer

The HTML5 Canvas API provides a 2D drawing surface via the <canvas> element and its getContext('2d') method.

Question 2

Which CSS3 property is used to apply a smooth transition between two states of an element?

Accepted Answer

transition

Answer

The CSS3 `transition` property specifies the duration and timing of property changes between states.

Question 3

In HTML5, which input type would you use to allow the user to pick a color?

Accepted Answer

type='color'

Answer

The `<input type='color'>` element provides a color picker control in supporting browsers.

Question 4

What does the HTML5 `placeholder` attribute do?

Accepted Answer

Displays hint text inside an input field when empty

Answer

The `placeholder` attribute shows ghost text inside a form field that disappears once the user starts typing.

Question 5

Which method is used to parse a JSON string into a JavaScript object?

Accepted Answer

JSON.parse()

Answer

`JSON.parse()` converts a valid JSON string into a corresponding JavaScript object or value.

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