HTML + CSS + JS

What are the main properties of the box-model

• top, left, bottom, right

• padding, margin, border

• color, background-color, font-size

• display: flex, justify-content, flex-direction

Which of these is a valid html element

• <page>

• <aside>

• <image>

• <paragraph>

var x; console.log(x);

• undefined

• null

• 0

• type error

How do you apply a CSS style to a specific HTML element by its ID?

• .elementID {}

• elementID {}

• #elementID {}

• *elementID {}

Which keyword is NOT used to declare a variable in JavaScript?

• var

• int

• const

• let

let x = 5 + "5"; console.log(x);

• 10

• 55

• undefined

• NaN

Which of the following is a correct function declaration?

• function myFunc[] {}

• function myFunc() {}

• def myFunc() {}

• function:myFunc() {}

Which of the following statements is false?

• HTML files can be styled with CSS.

• You can run JavaScript directly in an HTML file.

• CSS can add dynamic behaviors to elements like clicks or form validation.

• The <script> tag is used to add JavaScript to a page.

What is the value of typeof null

• null

• object

• boolean

• undefined

what will return: +!![]

• true

• false

• 0

• 1