refactor(topics): 멀티 에이전트용 지식 재편 — _Common(공통 기본기) + Domain_* 구조
에이전트 8종(대화형/프로그래머 C·S/디자이너/설계자/기획자/QA/PD/PM)에게 [공통 기본 능력 + 롤별 Specialty] 2층으로 지식을 주입하기 위한 재분류. 문서 내용·포맷은 무수정, 폴더 이동만 (6,372개 문서 수 보존 확인). - Topic_Programming → Domain_Programming (내부 구조 보존) - Topic_Graphic → Domain_Design - Topic_Business → Domain_Product - Topic_General → Domain_General - _Common 신설: Math(구 Topic_Math_Specialty), Reasoning(구 General/From_Thinking & Reasoning), Reasoning_Creativity(구 General/From_창의성), Communication(Poetic_Blog_Writing + From_writing) - 타 도메인의 From_* 폴더는 유지 (출처 표기일 뿐, 이미 도메인에 맞게 분류된 문서) - 빈 폴더 정리 (memory/procedures) - 에이전트→폴더 매핑은 workspace의 .astra/agent-knowledge-map.json (9개 에이전트) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Antigravity Agent
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---
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id: javascript-statements
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title: "JavaScript Statements"
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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: ["JS statements", "semicolons", "code blocks", "white space", "JS keywords"]
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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: ["javascript", "js", "web", "frontend", "w3schools", "statements", "semicolons"]
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raw_sources: ["https://www.w3schools.com/js/js_statements.asp"]
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applied_in: []
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github_commit: ""
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---
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# [[JavaScript Statements]]
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## 🎯 한 줄 통찰 (One-line insight)
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A JavaScript program is a list of statements — composed of values, operators, expressions, keywords, and comments — executed in the order they are written and separated by semicolons. [S1]
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## 🧠 핵심 개념 (Core concepts)
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- **A program is a list of statements** — a computer program is a list of "instructions" to be "executed" by a computer; in JavaScript these instructions are called statements. [S1]
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- **What statements are made of** — values, operators, expressions, keywords, and comments. [S1]
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- **Semicolons separate statements** — semicolons separate JavaScript statements; multiple statements on one line are allowed when separated by semicolons. [S1]
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- **White space is ignored** — JavaScript ignores multiple spaces; add spaces around operators for readability. [S1]
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- **Line breaks** — for best readability, keep lines under 80 characters and break after an operator. [S1]
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- **Code blocks** — statements can be grouped together in code blocks inside curly brackets `{ ... }`, typically defining functions. [S1]
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## 🧩 추출된 패턴 (Extracted patterns)
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- **Declare-then-assign sequence** — declare variables, then assign and compute across ordered statements. [S1]
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- **One-line grouping** — multiple statements may be packed on a single line with semicolons (`a = 5; b = 6; c = a + b;`). [S1]
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- **Break-after-operator** — when a statement is too long, break the line after an operator. [S1]
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- **Block grouping** — wrap related statements in `{ }` to form a function body executed together. [S1]
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## 📖 세부 내용 (Details)
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**JavaScript Programs** — A computer program is a list of "instructions" to be "executed" by a computer. In a programming language, these programming instructions are called statements. A JavaScript program is a list of programming statements. In HTML, JavaScript programs are executed by the web browser. [S1]
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**JavaScript Statements** — JavaScript statements are composed of values, operators, expressions, keywords, and comments. This statement tells the browser to write "Hello Dolly." inside an HTML element with `id="demo"`: [S1]
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```javascript
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document.getElementById("demo").innerHTML = "Hello Dolly.";
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```
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Most JavaScript programs contain many JavaScript statements, executed in the same order as they are written: [S1]
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```javascript
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let x, y, z; // Statement 1
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x = 5; // Statement 2
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y = 6; // Statement 3
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z = x + y; // Statement 4
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```
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**Semicolons ;** — Semicolons separate JavaScript statements. Add a semicolon at the end of each executable statement: [S1]
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```javascript
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let a, b, c; // Declare 3 variables
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a = 5; // Assign the value 5 to a
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b = 6; // Assign the value 6 to b
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c = a + b; // Assign the sum of a and b to c
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```
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When separated by semicolons, multiple statements on one line are allowed: [S1]
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```javascript
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a = 5; b = 6; c = a + b;
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```
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**JavaScript White Space** — JavaScript ignores multiple spaces. You can add white space to your script to make it more readable. A good practice is to put spaces around operators (`= + - * /`). [S1]
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**JavaScript Line Length and Line Breaks** — For best readability, programmers often like to avoid code lines longer than 80 characters. If a JavaScript statement does not fit on one line, the best place to break it is after an operator: [S1]
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```javascript
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document.getElementById("demo").innerHTML =
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"Hello Dolly!";
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```
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**JavaScript Code Blocks** — JavaScript statements can be grouped together in code blocks, inside curly brackets `{...}`. The purpose of code blocks is to define statements to be executed together. One place you will find statements grouped together in blocks is in JavaScript functions: [S1]
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```javascript
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function myFunction() {
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document.getElementById("demo1").innerHTML = "Hello Dolly!";
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document.getElementById("demo2").innerHTML = "How are you?";
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}
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```
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**JavaScript Keywords** — JavaScript statements often start with a keyword to identify the JavaScript action to be performed. The following table lists some of the keywords: [S1]
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| Keyword | Description |
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|---------|-------------|
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| var | Declares a variable |
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| let | Declares a block variable |
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| const | Declares a block constant |
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| if | Marks a block of statements to be executed on a condition |
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| switch | Marks a block of statements to be executed in different cases |
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| for | Marks a block of statements to be executed in a loop |
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| function | Declares a function |
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| return | Exits a function |
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| try | Implements error handling to a block of statements |
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JavaScript keywords are reserved words and cannot be used as names for variables. [S1]
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## 🛠️ 적용 사례 (Applied in summary)
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The page's own snippets are the canonical applied examples — the ordered `let x, y, z` / assign / sum statements, the one-line `a = 5; b = 6; c = a + b;`, the operator line break, and the two-statement function block. No external project/commit applications found in the source.
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## 💻 코드 패턴 (Code patterns)
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Ordered statements:
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```javascript
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let x, y, z;
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x = 5;
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y = 6;
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z = x + y;
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```
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Code block (function):
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```javascript
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function myFunction() {
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document.getElementById("demo1").innerHTML = "Hello Dolly!";
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document.getElementById("demo2").innerHTML = "How are you?";
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}
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```
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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:** [[JavaScript Tutorial]]
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- **관련 개념:** [[JavaScript Syntax]], [[JavaScript Comments]], [[JavaScript Variables]]
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- **참조 맥락:** Defines the unit of execution referenced by every later control-flow and function topic.
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## 📚 출처 (Sources)
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- [S1] W3Schools — JavaScript Statements — https://www.w3schools.com/js/js_statements.asp
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## 📝 변경 이력 (Change history)
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- 2026-06-23: Initial draft synthesized from the W3Schools "JavaScript Statements" page (Astra wiki-curation, P-Reinforce v3.1 format).
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