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id title category status verification_status canonical_id aliases duplicate_of source_trust_level confidence_score created_at updated_at review_reason merge_history tags raw_sources applied_in github_commit
w3css-web-javascript W3CSS Web JavaScript Library Programming_Language draft conceptual
w3.js
w3.slideshow
w3.hide
w3.show
W3.CSS JS 라이브러리 연결
B 0.84 2026-07-04 2026-07-04
w3css
css-framework
w3schools
javascript
w3js
https://www.w3schools.com/w3css/w3css_web_javascript.asp

W3CSS Web JavaScript Library

🎯 한 줄 통찰 (One-line insight)

w3.js collapses the manual slideshow logic from the earlier Slideshow chapter (a multi-line showDivs/plusDivs function pair looping over getElementsByClassName) into a SINGLE function call, w3.slideshow(".nature", 1500) — showing that the crash course's final JS step is really "replace the hand-written functions you learned earlier with the shipped library's one-liner equivalents" once you're ready to build production pages quickly. [S1]

🧠 핵심 개념 (Core concepts)

  • Activating the skeleton's script tag — filling <script src=""></script> with https://www.w3schools.com/lib/w3.js. [S1]
  • w3.slideshow(selector, interval) — a single-call replacement for the manual carousel()/setTimeout slideshow pattern from the Slideshow chapter. [S1]
  • w3.hide(selector) / w3.show(selector) — one-call show/hide helpers replacing manual style.display = "none"/"block" toggling used throughout Tabulators, Accordions, and Dropdowns chapters. [S1]

📖 세부 내용 (Details)

  • Completing the skeleton's script link: <script src="https://www.w3schools.com/lib/w3.js"></script>. [S1]
  • One-line slideshow activation: <img class="nature" src="img_snowtops.jpg" width="100%"><img class="nature" src="img_mountains.jpg" width="100%"><img class="nature" src="img_nature.jpg" width="100%"><script>w3.slideshow(".nature", 1500);</script> — no manual index-tracking JS required. [S1]
  • Show/hide via library calls: <button onclick="w3.hide('#London')">Hide London</button><button onclick="w3.show('#London')">Show London</button>. [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

  • 수동 구현 vs 라이브러리 함수의 관계: 이 챕터의 w3.slideshow/w3.hide/w3.show는 앞서 Slideshow/Tabulators/Accordions 챕터에서 직접 작성했던 JS 로직을 한 줄 함수 호출로 대체한 것이라는 점이 확인됨 — 원리를 먼저 배우고 나중에 축약형을 쓰는 학습 순서. [S1]

🛠️ 적용 사례 (Applied in summary)

현재 발견된 실제 적용 사례가 없습니다 — w3.slideshow 한 줄 호출이 앞서 배운 수동 캐러셀 구현을 실전에서 대체하는 대표 사례다. [S1]

💻 코드 패턴 (Code patterns)

A slideshow activated with one library call instead of manual JS (HTML/JS):

<img class="nature" src="img_snowtops.jpg" width="100%">
<img class="nature" src="img_mountains.jpg" width="100%">
<img class="nature" src="img_nature.jpg" width="100%">
<script>
w3.slideshow(".nature", 1500);
</script>

검증 상태 및 신뢰도

  • 상태: draft
  • 검증 단계: conceptual
  • 출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
  • 신뢰 점수: 0.84
  • 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

📚 출처 (Sources)

📝 변경 이력 (Change history)

  • 2026-07-04: Initial draft synthesized from the W3Schools "Using a JavaScript Library" page (Astra wiki-curation, P-Reinforce v3.1 format).