What’s the key difference between and in HTML?

is for blog posts, news while groups chapters, tabs

What’s the key difference between and ?

Radio buttons allow one selection, checkboxes allow multiple selections

When would you need aria-hidden="false" in HTML?

To make element visible for screen readers

A scripting language for web pages

What is the purpose of a "Skip Navigation" link?

Let keyboard users jump to main content

What does the command git add . do?

Stages all new and modified files in current directory

What’s the difference between querySelector and querySelectorAll?

querySelector returns first matching, querySelectorAll - all matchings

What does "semantics" mean in HTML?

When we are using elements for their content or meaning

What's the key difference between and in HTML?

is a third-level heading and is fourth-level heading

Good alt text in the image should be

Descriptive, concise, summarizing key message, avoiding redundancy

What is an absolute path in file systems?

A path that starts from the root directory

What does "ARIA" stand for in web development?

Accessible Rich Internet Applications

What does the aria-hidden="true" attribute do in HTML?

Hides element from screen readers

What are HTML forms primarily used for?

Collecting and submitting user data

When should you use const in JavaScript?

When the value should never be reassigned

Where can the element be correctly used in HTML?

Wrapping major navigation links

What is a relative path in file systems?

A path that starts from the current directory

What is a git merge conflict?

When changes in different branches modify the same lines

What is the purpose of the aria-label attribute in HTML?

To provide an invisible text description

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Final Quiz

49 termsStudBud Administration19 plays

Imported from external platform

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Questions 49

Answers

1
What will be in console? console.log(!undefined)
true
syntax error
!undefined
false
2
Which element gets focus first: tabindex="1" or tabindex="2"?
Whichever appears first in the HTML
The one who bribed the browser with cookies
tabindex="2"
tabindex="1"
3
What’s the key difference between <article> and <section> in HTML?
<article> is for blog posts, news while <section> groups chapters, tabs
<section> requires a heading (<h2> etc.), but <article> doesn’t
<article> writes the news; <section> organizes its drama
<article> is just a styled <section> with a border
4
What’s the key difference between <input type="radio"> and <input type="checkbox">?
Radio buttons allow one selection, checkboxes allow multiple selections
Checkboxes work in forms, radios don’t
Radios are round, checkboxes are square
Both radio buttons and checkboxes allow multiple selections from the group
5
When would you need aria-hidden="false" in HTML?
aria-hidden="false" is wrong syntax and should not be used
When the element wants to draw attention
To make element visible for screen readers
To make an element visible on the page
6
What is JavaScript?
The duct tape of the internet — it holds everything together
A combination of two languages used in the web pages: Java and Script
Adapted version of Java for web pages
A scripting language for web pages
7
What is the purpose of a "Skip Navigation" link?
Let keyboard users jump to the end of navigation
Let keyboard users jump to the middle of the page
Let keyboard users jump to secret portal
Let keyboard users jump to main content
8
What will be in console? console.log(!!true)
syntax error
false
true
!!true
9
What does the command git add . do?
Stages hidden files (starting with dot) in the current directory
Stages all new and modified files in current directory
Summons a wizard to judge your code before committing.
Stages only modified files in the current directory
10
How many scope types exist in JavaScript?
3: Global, function and block
Infinite: Depends on your coffee intake
3: Global, file and block
2: Global and block
11
The <section> element is non-semantic, just like a <div>, because it doesn’t convey what’s inside.
False
True
12
tabindex can't be negative
False
True
13
Aria-label here is not needed: <button aria-label="Close"> X </button>
False
True
14
I can't add element to my array later if I declare it as a const.
False
True
15
What will be in console? console.log(!1)
!1
true
Number
false
16
What’s the difference between querySelector and querySelectorAll?
querySelector only works with IDs, querySelectorAll works with classes.
querySelector is for senior devs, querySelectorAll - is for junior devs
querySelector returns first matching, querySelectorAll - all matchings
querySelectorAll is faster because it uses AI-powered quantum search.
17
What will be in console? console.log(!!false)
!!false
true
syntax error
false
18
You can't skip header levels
True
False
19
git cherry-pick is for picking fruit (cherries in particular)
True
False
20
Aria-label here is not needed: <button aria-label="Close"> Close </button>
False
True
21
You can reference current directory as . (dot).
True
False
22
What does the tabindex attribute do in HTML?
Controls mouse focus order
Controls screen reader focus order
Controls Universe focus order
Controls keyboard focus order
23
Is the <img> element semantic in HTML?
Yes
No
Yes, with alt
No, even with alt
24
What does "semantics" mean in HTML?
When we are using elements for their content or meaning
When we are using elements for their priority
<nav> looks better than <div>
When your <div>s dress up as <nav> for Halloween
25
What's the key difference between <h3> and <h4> in HTML?
<h4> automatically adds a bullet point in modern browsers
<h3> is a third-level heading and <h4> is fourth-level heading
<h3> is visually smaller and <h4> is larger
<h4> is a parent of <h3>
26
What is a class constructor used for in JavaScript?
Initialize unique object instance id
Construct copy of an object instance
Duplicate properties from other object
Initialize object instance
27
Semantic HTML elements can be nested inside each other freely.
No, it causes validation errors
Yes
No - semantic elements should be alone!
Only if their CSS classes match
28
Good alt text in the image should be
Descriptive, concise
Should look nice
Descriptive, concise, summarizing key message
Descriptive, concise, summarizing key message, avoiding redundancy
29
What is an absolute path in file systems?
A path that starts from the current directory
A path that starts from the root directory
A path encrypted with military-grade security
A path that starts from the http://
30
I can update property of my object later if I declare it as a const.
False
True
31
What does "ARIA" stand for in web development?
Advanced Rich Internet Applications
Accessible Responsive Internet Applications
A Really Impressive Acronym
Accessible Rich Internet Applications
32
The <header> element must appear only once per page, since there’s just one 'header' in a document.
False
True
33
How do you move up one level in a directory structure (command line)?
up
cd . .
cd -
cd ~
34
What does the aria-hidden="true" attribute do in HTML?
Gives the element a cloak of invisibility
Hides element from screen readers
Lowers the priority of the element for screen readers
Hides element from all users
35
How do you spell your instructor’s name correctly?
I haven't seen my instructor
Deep Seek
chatGPT
Andrei
36
Which ARIA attribute would you use to mark a form control as invalid?
aria-oops
aria-error
aria-warning
aria-invalid
37
What are HTML forms primarily used for?
Collecting and submitting user profile
Collecting and submitting user cookies
Collecting and submitting user data
Collecting and submitting user actions
38
What is the window object in JavaScript?
A CSS property for styling browser frames
A pop-up dialog box
The global object
A portal to the DOM universe
39
What is the primary purpose of ARIA attributes in HTML?
To enhance accessibility
To replace native HTML semantics
To teach robots manners when browsing your site
To enhance styling
40
When should you use const in JavaScript?
When you want your code to stay forever
Only for primitive values (strings, numbers, booleans)
When the value should never be reassigned
When you need to do math operations (pi, etc)
41
What will be in console? console.log(!!-3.14)
!!-3.14
true
pi
false
42
Where can the <nav> element be correctly used in HTML?
Inside of <navigation> element
Wrapping major clickable items (buttons, images)
Wrapping major navigation links
Inside <head> to organize meta tags
43
What will be in console? console.log(!"0")
true
Boolean
!"0"
false
44
How many HTML heading levels exist (h1, h2, etc.)?
6
8
5
7
45
How many heading levels (h1, h2...) must appear for valid structure?
At least three: <h1> (main content) + <h2> (header) + <h2> (footer)
I can add none headers if I don't need them.
At least one <h1>
7 if you’re rebelling against the W3C standard.
46
What is a relative path in file systems?
A path that starts from the current directory
A path that starts from the C:\
A path that changes based on your GPS location
A path that starts from the current root
47
What is a git merge conflict?
When changes in different branches modify the same lines
When changes in the same branch modify the same lines
When changes in different branches modify the same file
When Git gets emotional about your code choices
48
What will be in console? console.log(!!"hello");
String
true
false
hello
49
What is the purpose of the aria-label attribute in HTML?
To provide an hidden keywords for SEO
To style elements with custom tooltips
To provide an invisible text description
To whisper secrets to screen readers

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