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Updated: 2026年5月31日
Ordered List
Original task (JA): 番号付きリスト
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Conclusion
Ordered List — free browser-based HTML practice
Why it matters in real projects
olは番号が自動で付きます。手順やランキングに適しています。 Similar patterns appear daily in code review and production UI work.Step-by-step workflow
1. Read the guide and understand the goal of "Ordered List" 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: <ol>, <li>. 6. After success, continue with adjacent exercises in the same categoryCore concept explained
olは番号が自動で付きます。手順やランキングに適しています。Technical focus
Key HTML elements in this task: ol, li.Hint before you peek at the solution
olはordered list（順序付きリスト）です。Sample solution walkthrough
The solution uses HTML tags such as ol, li. Check nesting and closing tags. Explanation: olは番号が自動で付きます。手順やランキングに適しています。 Hint recap: olはordered list（順序付きリスト）です。Solution code
📝 Sample code
<ol>
<li>材料を切る</li>
<li>鍋に入れる</li>
<li>煮る</li>
</ol>Common mistakes for this exact task
・Skipping the hint: olはordered list（順序付きリスト）です。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: <ol>, <li>. 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 "Ordered List" in your own words within 30 seconds ・Practice walking through each line of the sample solution on a whiteboard ・Be ready to discuss tags: ol, li ・Mention responsive or accessibility trade-offs ・Prepare one alternative approach and why you chose this oneWhat 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 番号付きリスト, html-basic, 入門, ol, li, ordered list—search-friendly guide for Ordered List.🧪 Try it here — safe to break things
Use the editor below to write code and preview instantly.
Jump to editor■ Exercise task
好きな手順やランキングをolとliで3ステップ書いてください。（例：料理の手順、好きなものランキングなど）
Hint if stuck
olはordered list（順序付きリスト）です。