2nd/10_Wiki/Topic_HTML/HTML_Buttons.md

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

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
html-buttons	HTML Buttons	Frontend	draft	conceptual		button element HTML button button type submit button reset button		B	0.88	2026-06-23	2026-06-23			html web frontend w3schools buttons forms	https://www.w3schools.com/html/html_buttons.asp

HTML Buttons

🎯 한 줄 통찰 (One-line insight)

The HTML <button> element defines a clickable button whose behavior is set by its type attribute (button, submit, or reset); you should always specify type because the in-form default differs and browsers behave inconsistently when it is omitted. [S1]

🧠 핵심 개념 (Core concepts)

• <button> element — defines a clickable button; by itself it does nothing until you add an action. [S1]
• type attribute — defines what the button does when clicked; three types: button, submit, reset. [S1]
• Always set type — inside a form the default type is submit, and browsers may behave differently if the type is omitted. [S1]
• disabled attribute — makes a button unclickable; disabled buttons usually appear faded. [S1]
• Add behavior — actions can be attached, e.g. with onclick. [S1]

🧩 추출된 패턴 (Extracted patterns)

• Type-driven behavior — type="button" (does nothing by default), type="submit" (submits a form), type="reset" (resets all form fields). [S1]
• Form button pair — a submit button plus a reset button inside a <form>. [S1]
• Inline action — <button onclick="...">. [S1]
• Styling via class — buttons are commonly styled with CSS through a class. [S1]

📖 세부 내용 (Details)

The button element The HTML <button> element defines a clickable button. By itself, the button does nothing until you add an action to it. [S1]

<button>Click Me</button>

Button types The type attribute defines what a button does when clicked. There are three button types: [S1]

• type="button" — a normal clickable button (does nothing by default)
• type="submit" — submits a form
• type="reset" — resets all form fields

<button type="button">Normal Button</button>
<button type="submit">Submit</button>
<button type="reset">Reset</button>

Example within a form: [S1]

<form action="/action_page.php">
  First name: <input type="text" name="fname">
  <button type="submit">Submit</button>
  <button type="reset">Reset Form</button>
</form>

Note: You should always specify the type attribute. Inside a form, the default type is submit, and browsers may behave differently if the type is omitted. [S1]

Styling buttons Buttons are often styled with CSS: [S1]

<button class="mytestbtn">Green Button</button>

Disabled buttons Use the disabled attribute to make a button unclickable: [S1]

<button disabled>Disabled Button</button>

Tip: Disabled buttons cannot be clicked and usually appear faded. [S1]

Button with JavaScript

<button onclick="alert('Hello!')">Click Me</button>

🛠️ 적용 사례 (Applied in summary)

The applied cases are a plain clickable button, the three typed buttons, a submit/reset pair inside a form, a CSS-styled button, a disabled button, and a button that runs JavaScript via onclick. No external project/commit applications found in the source.

💻 코드 패턴 (Code patterns)

Typed buttons (HTML):

<button type="button">Normal Button</button>
<button type="submit">Submit</button>
<button type="reset">Reset</button>

Button running JavaScript (HTML):

<button onclick="alert('Hello!')">Click Me</button>

Disabled button (HTML):

<button disabled>Disabled Button</button>

⚖️ 비교 및 선택 기준 (Comparison & decision criteria)

The page presents three button types; choosing the right type is essential because the in-form default is submit: [S1]

type value	Behavior when clicked	Use when
button	A normal clickable button; does nothing by default	You want a button with custom (e.g. JavaScript) behavior only
submit	Submits the form (the in-form default)	The button should send the form
reset	Resets all form fields	The button should clear the form

Always specify the type to avoid inconsistent browser behavior when it is omitted. [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

No contradictions found in the source. Important caveat: omitting type inside a form defaults to submit and can cause divergent browser behavior, so it should always be set explicitly. [S1]

✅ 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: 0.88
• 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

• 상위/루트: HTML Tutorial
• 관련 개념: HTML Forms, HTML Form Elements, HTML Input Types, HTML Accessibility
• 참조 맥락: Referenced whenever adding clickable controls or form submit/reset actions to a page.

📚 출처 (Sources)

• [S1] W3Schools — HTML Buttons — https://www.w3schools.com/html/html_buttons.asp

📝 변경 이력 (Change history)

• 2026-06-23: Initial draft synthesized from the W3Schools "HTML Buttons" page (Astra wiki-curation, P-Reinforce v3.1 format).