JavaScriptを使用してコンテンツ領域を開閉するアコーディオン機能を実装します。

ご自由にご利用ください。

Previews

Examples html

<!-- accordion -->

<div class="accordion">

	<article>
		<div class="switch switch1">Section 1</div>
		<section class="content1">
			<div class="description">Implement accordion functionality. Accordions are useful when you want to toggle between hiding and showing large amount of content.</div>
		</section>
	</article>

	<article>
		<div class="switch switch2">Section 2</div>
		<section class="content2">
			<div class="description">Implement accordion functionality. Accordions are useful when you want to toggle between hiding and showing large amount of content.</div>
		</section>
	</article>

	<article>
		<div class="switch switch3">Section 3</div>
		<section class="content3">
			<div class="description">Implement accordion functionality. Accordions are useful when you want to toggle between hiding and showing large amount of content.</div>
		</section>
	</article>

</div>

<!-- /accordion -->

Examples css

/* - accordion - */

.accordion {
	width: 100%;
	height: auto;
	margin: 0px 0px 0px 0px;
	padding: 0px 0px 0px 0px;
	background-color: rgba(0, 0, 0, 0.0);
}

article {
	width: 100%;
	height: auto;
	margin: 0px 0px 0px 0px;
	padding: 0px 0px 0px 0px;
	background-color: rgba(0, 0, 0, 0.0);
}

.switch {
	width: 100%;
	min-height: 50px;
	margin: 0px 0px 0px 0px;
	padding: 10px 10px 10px 10px;
	background-color: rgba(0, 0, 0, 0.0);
	display: -webkit-flex;
	display: flex;
	-webkit-flex-direction: row;
	flex-direction: row;
	-webkit-flex-wrap: wrap;
	flex-wrap: wrap;
	-webkit-justify-content: space-between;
	justify-content: space-between;
	-webkit-align-content: center;
	align-content: center;
	-webkit-align-items: center;
	align-items: center;
	cursor: pointer;
}

.switch1 {
	border: 1px solid rgba(0, 0, 0, 1.0);
}

.switch2 {
	margin: -1px 0px 0px 0px;
	border: 1px solid rgba(0, 0, 0, 1.0);
}

.switch3 {
	margin: -1px 0px 0px 0px;
	border: 1px solid rgba(0, 0, 0, 1.0);
}

.switch {
	font-family: sans-serif;
	font-size: 1.4rem;
	font-style: normal;
	font-weight: 200;
	text-decoration: none;
	color: rgba(0, 0, 0, 1.0);
}

.switch1::after,
.switch2::after,
.switch3::after {
	content: "＋";
}

.switch1::after,
.switch2::after,
.switch3::after {
	font-family: sans-serif;
	font-size: 1.4rem;
	font-style: normal;
	font-weight: 200;
	text-decoration: none;
	color: rgba(0, 0, 0, 1.0);
}

.switch1.open::after,
.switch2.open::after,
.switch3.open::after {
	content: "－";
}

.switch1.open::after,
.switch2.open::after,
.switch3.open::after {
	font-family: sans-serif;
	font-size: 1.4rem;
	font-style: normal;
	font-weight: 200;
	text-decoration: none;
	color: rgba(0, 0, 0, 1.0);
}

section.content1,
section.content2,
section.content3 {
	display: none;
}

section.content1 {
	border-right: 1px solid rgba(0, 0, 0, 1.0);
	border-left: 1px solid rgba(0, 0, 0, 1.0);
}

section.content2 {
	border-right: 1px solid rgba(0, 0, 0, 1.0);
	border-left: 1px solid rgba(0, 0, 0, 1.0);
}

section.content3 {
	border-right: 1px solid rgba(0, 0, 0, 1.0);
	border-bottom: 1px solid rgba(0, 0, 0, 1.0);
	border-left: 1px solid rgba(0, 0, 0, 1.0);
}

.description,
.description,
.description {
	width: 100%;
	min-height: 100px;
	margin: 0px 0px 0px 0px;
	padding: 10px 10px 10px 10px;
	background-color: rgba(0, 0, 0, 0.0);
}

.description,
.description,
.description {
	font-family: sans-serif;
	font-size: 1.4rem;
	font-style: normal;
	font-weight: 200;
	text-decoration: none;
	color: rgba(0, 0, 0, 1.0);
}

/* - /accordion - */

Examples javascript

// Add functionality to open and close content areas.（コンテンツ領域を開閉するための機能を追加します。）
$( function() {
	$('.switch').on( 'click', function() {
		// Content area animation time（コンテンツ領域のアニメーションの時間：300 = 0.3秒）
		$(this).next().slideToggle(300);
		// Icon area animation time（アイコン領域のアニメーションの時間：300 = 0.3秒）
		$(this).toggleClass('open', 300);
	} ); 
} );