docs(10_Wiki): Topic_Business/General/Graphic/Programming을 Topics/ 하위로 이동

최상위 10_Wiki/Topic_*였던 4개 카테고리 폴더를 10_Wiki/Topics/Topic_* 로 재배치. 콘텐츠 변경 없음(순수 폴더 이동) — Topics/ 하위 나머지 폴더는 이미 지난 커밋에서 전부 정리된 상태(잔존 항목은 에이전트 운영 상태 및 사용자가 보존을 요청한 업데이트0615/무제 3.canvas 뿐).
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+---
+id: javascript-comments
+title: "JavaScript Comments"
+category: "Frontend"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["JS comments", "single line comment", "multi-line comment", "block comment", "prevent execution"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.89
+created_at: 2026-06-23
+updated_at: 2026-06-23
+review_reason: ""
+merge_history: []
+tags: ["javascript", "js", "web", "frontend", "w3schools", "comments"]
+raw_sources: ["https://www.w3schools.com/js/js_comments.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[JavaScript Comments]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+JavaScript comments explain code and improve readability — single-line comments start with `//`, multi-line comments are wrapped in `/* */`, and either form can also be used to prevent code from executing. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **Purpose of comments** — comments can be used to explain JavaScript code and to make it more readable; they can also be used to prevent execution when testing alternative code. [S1]
+- **Single line comments** — start with `//`; any text between `//` and the end of the line is ignored (not executed). [S1]
+- **Multi-line comments** — start with `/*` and end with `*/`; any text between is ignored. [S1]
+- **Comments to prevent execution** — placing `//` or `/* */` around code lines is a convenient way to prevent execution, e.g. while debugging. [S1]
+
+## 🧩 추출된 패턴 (Extracted patterns)
+- **End-of-line annotation** — append `// ...` after a statement to document what that line does. [S1]
+- **Block intro comment** — use a `/* ... */` block before a group of statements to describe what the following code does. [S1]
+- **Comment-out for debugging** — prefix a single line with `//`, or wrap several lines in `/* */`, to temporarily disable them. [S1]
+
+## 📖 세부 내용 (Details)
+**Single Line Comments** — Single line comments start with `//`. Any text between `//` and the end of the line will be ignored by JavaScript (will not be executed). This example uses a single line comment before each line of code: [S1]
+```javascript
+// Change heading:
+document.getElementById("myH").innerHTML = "My First Page";
+
+// Change paragraph:
+document.getElementById("myP").innerHTML = "My first paragraph.";
+```
+This example uses a single line comment at the end of each line to explain the code: [S1]
+```javascript
+let x = 5;      // Declare x, give it the value of 5
+let y = x + 2;  // Declare y, give it the value of x + 2
+```
+
+**Multi-line Comments** — Multi-line comments start with `/*` and end with `*/`. Any text between `/*` and `*/` will be ignored by JavaScript. This example uses a multi-line comment (a comment block) to explain the code: [S1]
+```javascript
+/*
+The code below will change
+the heading with id = "myH"
+and the paragraph with id = "myP"
+in my web page:
+*/
+document.getElementById("myH").innerHTML = "My First Page";
+document.getElementById("myP").innerHTML = "My first paragraph.";
+```
+
+**Using Comments to Prevent Execution** — Using comments to prevent execution of code is suitable for testing. Adding `//` in front of a code line changes the lines from an executable line to a comment: [S1]
+```javascript
+//document.getElementById("myH").innerHTML = "My First Page";
+document.getElementById("myP").innerHTML = "My first paragraph.";
+```
+This example uses a comment block to prevent execution of multiple lines: [S1]
+```javascript
+/*
+document.getElementById("myH").innerHTML = "My First Page";
+document.getElementById("myP").innerHTML = "My first paragraph.";
+*/
+```
+
+## 🛠️ 적용 사례 (Applied in summary)
+The page's own snippets are the canonical applied examples — single-line intro/end-of-line comments, a multi-line explanatory block, and commenting out one line vs a multi-line block to prevent execution. No external project/commit applications found in the source.
+
+## 💻 코드 패턴 (Code patterns)
+Single line, end-of-line:
+```javascript
+let x = 5;      // Declare x, give it the value of 5
+```
+Multi-line block:
+```javascript
+/*
+This block describes the code below.
+*/
+```
+Comment out to disable:
+```javascript
+//document.getElementById("myH").innerHTML = "My First Page";
+```
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+No contradictions found in the source.
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual (실제 적용 사례 발견 시 applied/validated로 승격 가능)
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.89
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[JavaScript Tutorial]]
+- **관련 개념:** [[JavaScript Syntax]], [[JavaScript Statements]], [[JavaScript Variables]]
+- **참조 맥락:** Documentation practice referenced across every code example in the tutorial.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — JavaScript Comments — https://www.w3schools.com/js/js_comments.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-06-23: Initial draft synthesized from the W3Schools "JavaScript Comments" page (Astra wiki-curation, P-Reinforce v3.1 format).