Description lists in HTML - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start a description list.

HTML

<[1]>
  <dt>HTML</dt>
  <dd>HyperText Markup Language</dd>
</[1]>

Drag options to blanks, or click blank then click option'

Aul

Bdl

Col

Ddiv

Attempts:

3 left

💡 Hint

Common Mistakes

Using

or
instead of

for description lists.

Using

which is a generic container.

The <dl> tag starts a description list in HTML.

2fill in blank

medium

Complete the code to add a term in a description list.

HTML

<dl>
  <[1]>CSS</[1]>
  <dd>Cascading Style Sheets</dd>
</dl>

Drag options to blanks, or click blank then click option'

Adt

Bdd

Cli

Dp

Attempts:

3 left

💡 Hint

Common Mistakes

Using

instead of

for terms.

Using list item tags

inside description lists.

The <dt> tag defines a term in a description list.

3fill in blank

hard

Fix the error in the description list code by choosing the correct tag for the description.

HTML

<dl>
  <dt>JavaScript</dt>
  <[1]>Programming language for the web</[1]>
</dl>

Drag options to blanks, or click blank then click option'

Adt

Bp

Cli

Ddd

Attempts:

3 left

💡 Hint

Common Mistakes

Using

for descriptions instead of

.

Using list item tags

inside description lists.

The <dd> tag defines the description or definition of the term in a description list.

4fill in blank

hard

Fill both blanks to create a description list with a term and its description.

HTML

<[1]>
  <[2]>API</[2]>
  <dd>Application Programming Interface</dd>
</[1]>

Drag options to blanks, or click blank then click option'

Adl

Bdd

Cdt

Dul

Attempts:

3 left

💡 Hint

Common Mistakes

Using

instead of

for the list.

Using

instead of

for the term.

The <dl> tag starts the description list, and <dt> defines the term.

5fill in blank

hard

Fill all three blanks to create a description list with two terms and their descriptions.

HTML

<[1]>
  <dt>HTTP</dt>
  <[2]>HyperText Transfer Protocol</[2]>
  <dt>URL</dt>
  <[3]>Uniform Resource Locator</[3]>
</[1]>

Drag options to blanks, or click blank then click option'

Adl

Bdd

Dul

Attempts:

3 left

💡 Hint

Common Mistakes

Using

instead of

for the list.

Using

instead of

for descriptions.

The <dl> tag starts the description list, and <dd> tags provide descriptions for each term.

Practice

1. What is the main purpose of the <dl> element in HTML?

easy

A. To add a paragraph of text

B. To create a numbered list of items

C. To create a table with rows and columns

D. To create a description list that pairs terms with their descriptions

Solution

1. Step 1: Understand the role of <dl>

   The <dl> tag is used to group terms and their descriptions in a list format.

2. Step 2: Compare with other list types

   Unlike ordered (<ol>) or unordered (<ul>) lists, <dl> is specifically for description lists.

3. Final Answer:

   To create a description list that pairs terms with their descriptions -> Option D

4. Quick Check:

   Description list = <dl> [OK]

Hint: Remember: dl = description list, dt = term, dd = description [OK]

Common Mistakes:

• Confusing <dl> with <ul> or <ol>
• Thinking <dl> creates tables
• Using <dl> for paragraphs

2. Which of the following is the correct syntax to start a description list in HTML?

easy

A. <dl>

B. <dt>

C. <dd>

D. <list>

Solution

1. Step 1: Identify the container tag for description lists

   The <dl> tag is the container that starts a description list.

2. Step 2: Understand roles of <dt> and <dd>

   <dt> defines a term, and <dd> defines its description, but they do not start the list.

3. Final Answer:

   <dl> -> Option A

4. Quick Check:

   Start description list = <dl> [OK]

Hint: Description lists always start with <dl> tag [OK]

Common Mistakes:

• Using <dt> or <dd> as the list container
• Using non-existent <list> tag
• Confusing with unordered list tags

3. What will the following HTML code display in a browser?

<dl>
  <dt>HTML</dt>
  <dd>HyperText Markup Language</dd>
  <dt>CSS</dt>
  <dd>Cascading Style Sheets</dd>
</dl>

medium

A. A numbered list with descriptions

B. A bulleted list with HTML and CSS as items

C. A list showing 'HTML' with 'HyperText Markup Language' below it, then 'CSS' with 'Cascading Style Sheets' below it

D. Plain text without any list formatting

Solution

1. Step 1: Understand the structure of the description list

   The <dl> contains pairs of <dt> (terms) and <dd> (descriptions).

2. Step 2: Visualize the browser rendering

   Each term appears on its own line, with its description indented below it, forming a clear term-description pair.

3. Final Answer:

   A list showing 'HTML' with 'HyperText Markup Language' below it, then 'CSS' with 'Cascading Style Sheets' below it -> Option C

4. Quick Check:

   dl shows terms with indented descriptions [OK]

Hint: dt = term, dd = description shown indented below [OK]

Common Mistakes:

• Thinking it creates bulleted or numbered lists
• Expecting terms and descriptions on the same line
• Ignoring indentation of descriptions

4. Identify the error in this description list code:

<dl>
  <dt>JavaScript</dt>
  <dt>A programming language</dt>
</dl>

medium

A. Missing closing </dl> tag

B. Using two <dt> tags without a <dd> for description

C. Using <dd> instead of <dt> for term

D. No error, code is correct

Solution

1. Step 1: Check tag usage in description lists

   <dt> is for terms, <dd> is for descriptions. Terms should be followed by descriptions.

2. Step 2: Identify the problem in the code

   The code uses two <dt> tags in a row without a <dd> describing the first term.

3. Final Answer:

   Using two <dt> tags without a <dd> for description -> Option B

4. Quick Check:

   Term must have description after it [OK]

Hint: Each <dt> term needs a following <dd> description [OK]

Common Mistakes:

• Using multiple <dt> tags without <dd>
• Confusing <dt> and <dd> roles
• Forgetting to close <dl>

5. You want to create a description list where some terms have multiple descriptions. Which is the correct way to write it?

hard

A.
Fruit
Apple
Banana
Vegetable
Carrot

B.
Fruit
Apple
Banana
Vegetable
Carrot

C.
Fruit
Apple
Banana
Vegetable
Carrot

D.
Fruit
Apple
Banana
Vegetable
Carrot

Solution

1. Step 1: Understand multiple descriptions for one term

   A term (<dt>) can have multiple descriptions (<dd>) listed below it.

2. Step 2: Analyze each option's structure

   Fruit

   Apple

   Banana

   Vegetable

   Carrot

   correctly groups multiple <dd> tags under one <dt> term. Other options misuse tags or mix terms and descriptions incorrectly.

3. Final Answer:

   Option A shows correct multiple descriptions for one term -> Option A

4. Quick Check:

   Multiple
   under one
   is valid [OK]

Hint: Use multiple <dd> tags after one <dt> for several descriptions [OK]

Common Mistakes:

• Using multiple <dt> tags for descriptions
• Placing <dd> before <dt>
• Using only <dd> without <dt>