koriweb
9609c04755
W3Schools 튜토리얼을 P-Reinforce v3.1 포맷으로 위키화(영어 본문, 한/영 섹션 헤더). - Topic_HTML: 59문서 (튜토리얼+예제, 레퍼런스/메타 제외) - Topic_CSS: 190문서 (메인 + Advanced/Flexbox/Grid/RWD 전체) - Topic_JavaScript: 120문서 (코어 언어; Temporal/DOM상세/BOM/WebAPI/AJAX/jQuery/Graphics 등은 후속) 각 폴더 00_INDEX.md(MOC) 포함. 코드 verbatim, 미확인분은 "Not found in source" 표기. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
99 lines
5.2 KiB
Markdown
99 lines
5.2 KiB
Markdown
---
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id: html-web-apis
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title: "HTML Web APIs"
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category: "Frontend"
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status: "draft"
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verification_status: "conceptual"
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canonical_id: ""
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aliases: ["Web API", "Application Programming Interface", "HTML5 APIs", "browser APIs", "third party APIs"]
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duplicate_of: ""
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source_trust_level: "B"
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confidence_score: 0.88
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created_at: 2026-06-23
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updated_at: 2026-06-23
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review_reason: ""
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merge_history: []
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tags: ["html", "web", "frontend", "w3schools", "api", "html5"]
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raw_sources: ["https://www.w3schools.com/html/html5_api_whatis.asp"]
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applied_in: []
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github_commit: ""
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---
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# [[HTML Web APIs]]
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## 🎯 한 줄 통찰 (One-line insight)
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A Web API is an application programming interface for the Web that extends browser functionality and provides easy syntax to otherwise complex code; modern browsers ship several built-in Web APIs. [S1]
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## 🧠 핵심 개념 (Core concepts)
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- **API = Application Programming Interface** — an interface that includes a set of functions and subroutines allowing programmers to access specific features or data of an application, operating system, or other service. [S1]
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- **Web API** — an application programming interface for the Web. It can extend the functionality of the browser, greatly simplify complex functions, and provide easy syntax to complex code. [S1]
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- **Built into the browser** — all browsers include a set of built-in Web APIs. [S1]
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- **Third party APIs** — APIs that are not built into the browser; to use them you download the code from the Web. [S1]
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## 🧩 추출된 패턴 (Extracted patterns)
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- **Browser-native vs third-party** — distinguish built-in APIs (Geolocation, Drag and Drop, Web Storage, Web Workers, Server-Sent Events, Canvas) from third-party APIs you must import (YouTube, Twitter, Facebook). [S1]
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- **API as an abstraction layer** — the API hides complex underlying code behind a simpler, accessible syntax. [S1]
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## 📖 세부 내용 (Details)
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**What is a Web API?**
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API stands for **A**pplication **P**rogramming **I**nterface. An API is some kind of interface that includes a set of functions and subroutines that allow programmers to access specific features or data of an application, operating system, or other services. A Web API is an application programming interface for the Web. [S1]
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**What Web APIs can do**
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A Web API: [S1]
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- Can extend the functionality of the browser
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- Can greatly simplify complex functions
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- Can provide easy syntax to complex code
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**Browser APIs**
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All browsers include a set of built-in Web APIs. The Web APIs covered in this tutorial are: [S1]
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| API | Purpose |
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|---|---|
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| Geolocation API | Used to access the current location of a user (with latitude and longitude) |
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| Drag and Drop API | Enables you to use drag-and-drop features in browsers |
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| Web Storage API | Mechanisms to let browsers store key/value pairs (in a more intuitive way than cookies) |
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| Web Workers API | Allows a JavaScript to run in the background, without affecting the performance of the page |
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| Server-Sent Events API | Allows a web page to automatically get updates from a server |
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| Canvas API | Lets you draw graphics, on the fly, via JavaScript |
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**Third party APIs**
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Third party APIs are not built into your browser. To use these APIs, you will have to download the code from the Web. Examples include: [S1]
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- YouTube API
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- Twitter API
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- Facebook API
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## 🛠️ 적용 사례 (Applied in summary)
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This page is an index/overview; its "applied" value is orientation — it points to the concrete API topics (Geolocation, Drag and Drop, Web Storage, Web Workers, SSE, Canvas) that each carry their own examples. No external project/commit applications found in the source.
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## 💻 코드 패턴 (Code patterns)
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Not found in source — this overview page presents no code examples; concrete usage lives in the individual API topic pages (e.g. [[HTML Geolocation]], [[HTML Web Storage]]).
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## ⚖️ 비교 및 선택 기준 (Comparison & decision criteria)
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The page distinguishes two categories of Web APIs, which guides where the implementing code comes from: [S1]
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| Category | Built into browser? | How to use |
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|---|---|---|
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| Browser (built-in) APIs | Yes | Available natively (Geolocation, Drag and Drop, Web Storage, Web Workers, SSE, Canvas) |
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| Third party APIs | No | Download the code from the Web (e.g. YouTube, Twitter, Facebook) |
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## ⚖️ 모순 및 업데이트 (Contradictions & updates)
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No contradictions found in the source.
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## ✅ 검증 상태 및 신뢰도
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- **상태:** draft
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- **검증 단계:** conceptual (실제 적용 사례 발견 시 applied/validated로 승격 가능)
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- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
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- **신뢰 점수:** 0.88
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- **중복 검사 결과:** 신규 생성 (New discovery)
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## 🔗 지식 그래프 (Knowledge Graph)
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- **상위/루트:** [[HTML Tutorial]]
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- **관련 개념:** [[HTML Geolocation]], [[HTML Drag and Drop]], [[HTML Web Storage]], [[HTML Web Workers]], [[HTML SSE]]
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- **참조 맥락:** The entry point that frames the entire HTML5 Web APIs section.
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## 📚 출처 (Sources)
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- [S1] W3Schools — HTML Web APIs — https://www.w3schools.com/html/html5_api_whatis.asp
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## 📝 변경 이력 (Change history)
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- 2026-06-23: Initial draft synthesized from the W3Schools "HTML Web APIs" page (Astra wiki-curation, P-Reinforce v3.1 format).
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