document에 el를 찾으면 DOM을 찾았다고 함
1. DOM 숨기기
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<title>Title</title>
<style>
.box {
border: 1px solid black;
padding: 10px;
}
</style>
</head>
<body>
<h1>숨기기</h1>
<button onclick="hideDisplay()">display로 숨기기</button>
<button onclick="hideVisible()">visible로 숨기기</button>
<div class="box">
<div class="box" id="innerBox1">
내부박스1
</div>
<div class="box" id="innerBox2">
내부박스2
</div>
</div>
<script>
function hideDisplay() {
let el = document.querySelector("#innerBox1");
el.style.display = "none";
}
function hideVisible() {
let el = document.querySelector("#innerBox2");
el.style.visibility = "hidden";
}
</script>
</body>
</html>
2. JQuery로 숨기기
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<title>Title</title>
<style>
.box {
border: 1px solid black;
padding: 10px;
}
</style>
</head>
<body>
<h1>숨기기</h1>
<button onclick="hideDisplay()">display로 숨기기</button>
<button onclick="hideVisible()">visible로 숨기기</button>
<div class="box">
<div class="box" id="innerBox1">
내부박스1
</div>
<div class="box" id="innerBox2">
내부박스2
</div>
</div>
<script>
function hideDisplay() {
// let el = document.querySelector("#innerBox1");
// el.style.display = "none";
$("#innerBox1").hide;
}
function hideVisible() {
// let el = document.querySelector("#innerBox2");
// el.style.visibility = "hidden";
$("#innerBox2").css("visibility", "hidden");
}
</script>
</body>
</html>
3. 2번을 업그레이드하기
- 재사용 가능
function a(){ $("#btn=hide1").hide(); } $("#btn=hide1").click(a); $("#btn=hide1").click(b);
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<title>Title</title>
<style>
.box {
border: 1px solid black;
padding: 10px;
}
</style>
</head>
<body>
<h1>숨기기</h1>
<button onclick="hideDisplay()">display로 숨기기</button>
<button onclick="hideVisible()">visible로 숨기기</button>
<div class="box">
<div class="box" id="innerBox1">
내부박스1
</div>
<div class="box" id="innerBox2">
내부박스2
</div>
</div>
<script>
function hideDisplay() {
// let el = document.querySelector("#innerBox1");
// el.style.display = "none";
$("#innerBox1").hide;
}
function hideVisible() {
// let el = document.querySelector("#innerBox2");
// el.style.visibility = "hidden";
$("#innerBox2").css("visibility", "hidden");
}
</script>
</body>
</html>
4. DOM 나타내기
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.box {
border: 1px solid black;
padding: 10px;
}
#innerBox1 {
display: none;
}
#innerBox2 {
visibility: hidden;
}
</style>
</head>
<body>
<h1>나타내기</h1>
<button onclick="showByDisplay()">display로 나타내기</button>
<button onclick="showByVisible()">visible로 나타내기</button>
<div class="box" id="outerBox">
<div class="box" id="innerBox1">
내부박스1
</div>
<div class="box" id="innerBox2">
내부박스2
</div>
</div>
<script>
function showByDisplay() {
let el = document.querySelector("#innerBox1");
el.style.display = "block";
}
function showByVisible() {
let el = document.querySelector("#innerBox2");
el.style.visibility = "visible";
}
</script>
</body>
</html>
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