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Updated: May 31, 2026

Strong And Em

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Conclusion

Strong And Em — free browser-based HTML practice

■ What this exercise teaches Wrap "important" in strong and "emphasized" in em.

Why it matters in real projects

strong marks strong importance and em marks emphasis. The meaning matters more than how it looks. Similar patterns appear daily in code review and production UI work.

Step-by-step workflow

1. Read the guide and understand the goal of "Strong And Em" 2. Review the HTML editor pane and start from the starter code 3. Open hints if stuck; compare your diff with the sample solution 4. Click Run and inspect preview/console output 5. Auto-check looks for output containing: important, emphasized. 6. After success, continue with adjacent exercises in the same category

Core concept explained

strong marks strong importance and em marks emphasis. The meaning matters more than how it looks.

Technical focus

Key HTML elements in this task: p, strong, em.

Hint before you peek at the solution

strong means bold emphasis, em means italic emphasis.

Sample solution walkthrough

The solution uses HTML tags such as p, strong, em. Check nesting and closing tags. Explanation: strong marks strong importance and em marks emphasis. The meaning matters more than how it looks. Hint recap: strong means bold emphasis, em means italic emphasis.

Solution code

📝 Sample code
<p>This is <strong>important</strong> and <em>emphasized</em> text.</p>

Common mistakes for this exact task

- Skipping the hint: strong means bold emphasis, em means italic emphasis.

Troubleshooting

Q: Preview does not change after Run A: Ensure you edited the HTML pane and clicked Run. Q: Looks correct but check fails A: Auto-check looks for output containing: important, emphasized. Look for typos, full-width spaces, or unclosed tags. Q: Console shows errors A: Open DevTools Console and fix bracket/quote mismatches at the reported line. Q: Hard to type on mobile A: Use landscape mode or continue on desktop—the same URL keeps progress in localStorage.

Interview / portfolio tips

- Explain the techniques in "Strong And Em" in your own words within 30 seconds - Practice walking through each line of the sample solution on a whiteboard - Be ready to discuss tags: p, strong, em - Mention responsive or accessibility trade-offs - Prepare one alternative approach and why you chose this one

What to do after you pass

Move to the next exercise in the html-basic track, then continue the learning roadmap at /en/learning/html-basic/.

Keywords

Free hands-on exercise covering strong and em, html-basic, beginner, p, strong, em—search-friendly guide for Strong And Em.

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■ Exercise task

Wrap "important" in strong and "emphasized" in em.

Hint if stuck

strong means bold emphasis, em means italic emphasis.

10pt

strong and em

Wrap "important" in strong and "emphasized" in em.

Click error to highlight line. ✕=error ⚠=warning ›=log.

Roadmap · All guides

Deep dive

"Strong And Em" is a beginner-level HTML exercise. Wrap "important" in strong and "emphasized" in em. Run it in-browser with automatic checking.

strong marks strong importance and em marks emphasis. The meaning matters more than how it looks. Similar patterns appear daily in code review and production UI work.

Pair this with the html-basic roadmap. Exercise #8 reinforces core html-basic skills.

Step-by-step workflow

  1. Read the guide and understand the goal of "Strong And Em"
  2. Review the HTML editor pane and start from the starter code
  3. Open hints if stuck; compare your diff with the sample solution
  4. Click Run and inspect preview/console output
  5. Auto-check looks for output containing: important, emphasized.
  6. After success, continue with adjacent exercises in the same category

How to read the sample solution

The solution uses HTML tags such as p, strong, em. Check nesting and closing tags. Explanation: strong marks strong importance and em marks emphasis. The meaning matters more than how it looks. Hint recap: strong means bold emphasis, em means italic emphasis.

Real-world & career relevance

HTML underpins blogs, e-commerce copy, and corporate sites. Heading hierarchy and semantic markup indirectly support SEO.

Common mistakes

  • Skipping the hint: strong means bold emphasis, em means italic emphasis.
  • Multiple h1 on one page
  • Forgetting closing tags like </p>
  • Non-li children directly under ul
  • Omitting img alt text

Troubleshooting

Preview does not change after Run
Ensure you edited the HTML pane and clicked Run.
Looks correct but check fails
Auto-check looks for output containing: important, emphasized. Look for typos, full-width spaces, or unclosed tags.
Console shows errors
Open DevTools Console and fix bracket/quote mismatches at the reported line.
Hard to type on mobile
Use landscape mode or continue on desktop—the same URL keeps progress in localStorage.

Interview & portfolio tips

  • Explain the techniques in "Strong And Em" in your own words within 30 seconds
  • Practice walking through each line of the sample solution on a whiteboard
  • Be ready to discuss tags: p, strong, em
  • Mention responsive or accessibility trade-offs
  • Prepare one alternative approach and why you chose this one

Glossary

h1
Top-level heading—one per page recommended.
p
Paragraph element.
a
Anchor with href for links.

Keywords covered on this page

Free hands-on exercise covering strong and em, html-basic, beginner, p, strong, em—search-friendly guide for Strong And Em.

Related dev tools

Learning roadmap

Learning roadmap →

Related exercises

Frequently asked questions

Is "strong and em" free?

This exercise is free and runs entirely in your browser. No account or credit card required.

Difficulty and time?

"strong and em" is level "beginner". Read the guide first; beginners can usually finish within 30 minutes. Allow 5–15 minutes per exercise. Use hints, then the solution if stuck.

What after a correct answer?

After a correct answer, use "Next exercise". When you finish a category, continue on the <a href="/en/learning/html-basic/">learning roadmap</a>.

Works on mobile?

Works on mobile browsers, but typing code is easier on a desktop.

Where are other exercises?

All exercises: <a href="/en/learn/">/en/learn/</a> with category filters.

Key takeaway for "strong and em"?

strong marks strong importance and em marks emphasis. The meaning matters more than how it looks. Hint: strong means bold emphasis, em means italic emphasis.

Where does HTML Basics fit?

HTML underpins blogs, e-commerce copy, and corporate sites. Heading hierarchy and semantic markup indirectly support SEO.

Step-by-step for "Strong And Em"?

1. Read the guide and understand the goal of "Strong And Em"<br />2. Review the HTML editor pane and start from the starter code<br />3. Open hints if stuck; compare your diff with the sample solution<br />4. Click Run and inspect preview/console output<br />5. Auto-check looks for output containing: important, emphasized.<br />6. After success, continue with adjacent exercises in the same category

How to read the sample solution?

The solution uses HTML tags such as p, strong, em. Check nesting and closing tags.<br /><br />Explanation: strong marks strong importance and em marks emphasis. The meaning matters more than how it looks.<br /><br />Hint recap: strong means bold emphasis, em means italic emphasis.

Something is not working?

<strong>Preview does not change after Run</strong> → Ensure you edited the HTML pane and clicked Run.<br /><strong>Looks correct but check fails</strong> → Auto-check looks for output containing: important, emphasized. Look for typos, full-width spaces, or unclosed tags.<br /><strong>Console shows errors</strong> → Open DevTools Console and fix bracket/quote mismatches at the reported line.<br /><strong>Hard to type on mobile</strong> → Use landscape mode or continue on desktop—the same URL keeps progress in localStorage.

Career / interview angle?

Explain the techniques in "Strong And Em" in your own words within 30 seconds Practice walking through each line of the sample solution on a whiteboard Be ready to discuss tags: p, strong, em Mention responsive or accessibility trade-offs Prepare one alternative approach and why you chose this one

Related dev tools?

<a href="/en/tools/html-escape/">HTML Escape</a>, <a href="/en/tools/ogp-preview/">OGP Preview</a>

Prerequisites?

Read the <a href="/en/learning/html-basic/">Learning roadmap</a> chapter first.

Can I change the starter code?

Yes—if it works. Understanding the starter first, then adding minimal diffs, speeds up learning.

What do the points mean?

10pt is a difficulty hint, not a score you must maximize.