<오늘부터 CSS 마스터 19일차> Accordion

카테고리 CSS

Accordion

default

active

1. HTML 마크업 설계

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<button class="accordion">Section 1</button>
<div class="panel">
  <p>Lorem ipsum...</p>
</div>

<button class="accordion">Section 2</button>
<div class="panel">
  <p>Lorem ipsum...</p>
</div>

<button class="accordion">Section 3</button>
<div class="panel">
  <p>Lorem ipsum...</p>
</div>

2. CSS 스타일링

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.accordion {
  background-color: #eee;
  color: #444;
  cursor: pointer;
  padding: 18px;
  width: 100%;
  text-align: left;
  border: none;
  outline: none;
}

/* Add a background color to the button if it is clicked on (add the .active class with JS), and when you move the mouse over it (hover) */
.accordion:hover {
  background-color: #ccc;
}

/* Style the accordion panel. Note: hidden by default */
.panel {
  padding: 0 18px;
  background-color: white;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.active {
  max-height: 100vh;
}

3. React 로직

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// Accordion.jsx
import { useState } from "react";
import "./styles/main.css";

function Accordion({ title, info }) {
  const [showInfo, setShowInfo] = useState(false);
  return (
    <>
      <button className="accordion" onClick={() => setShowInfo(!showInfo)}>
        {title}
      </button>
      <div className={`panel ${showInfo ? "active" : ""}`}>
        <p>{info}</p>
      </div>
    </>
  );
}

export default Accordion;

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loco9939

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