상단 탭 버튼을 누르면 아래쪽 탭 컨텐츠가 변경이 되는 구조를 추가하는 방법

ⓐ 탭 구조를 표시할 html을 작성
<ul class="tab-list">
<li>
<a
href="javascript:oksSwitchTab('tb_1', 'content_1');"
id="tb_1"
class="tabmenu active">Tab 1</a>
</li>
<li>
<a
href="javascript:oksSwitchTab('tb_2', 'content_2');"
id="tb_2"
class="tabmenu">Tab 2</a>
</li>
<li>
<a
href="javascript:oksSwitchTab('tb_3', 'content_3');"
id="tb_3"
class="tabmenu">Tab 3</a>
</li>
</ul>
<div id="content_1" class="tabcontent">content 1</div>
<div id="content_2" class="tabcontent">content 2</div>
<div id="content_3" class="tabcontent">content 3</div>
ⓑ a 버튼에서 호출하는 함수를 script로 추가 (페이지 하단)
<script type="text/javascript">
function oksSwitchTab(tab_id, tab_content) {
// first of all we get all tab content blocks (I think the best way to get them
// by class names)
var x = document.getElementsByClassName("tabcontent");
var i;
for (i = 0; i < x.length; i++) {
x[i].style.display = 'none'; // hide all tab content
}
document.getElementById(tab_content).style.display = 'block'; // display the content of the tab we need
// now we get all tab menu items by class names (use the next code only if you need to highlight current tab)
var x = document.getElementsByClassName("tabmenu");
var i;
for (i = 0; i < x.length; i++) {
x[i].className = 'tabmenu';
}
document.getElementById(tab_id).className = 'tabmenu active';
}
</script>
ⓒ 탭 메뉴를 위한 스타일 정의
.tab-list {list-style:none !important;margin-left:0 !important;}
.tab-list li {display:inline-block; margin-right:10px; }
.tab-list li::after {content:"/"; margin-left:10px;}
.tab-list li:last-child::after {display:none;}
.tab-list .active::before {content:"▼ ";}