Definition
- .fadeTo() 메서드는 선택한 요소 투명도를 조절합니다.
Syntax
$("selector").fadeTo()
Compatibility
Sample1 클릭하면 이미지가 나타나는 예제입니다.
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<title>제이쿼리(jQuery)</title>
<style>
.list {overflow: hidden;}
.list li {float: left; width: 19%; margin:0.5%; min-height: 150px; list-style: none; position: relative;}
.list li img {width: 100%;}
.list li em {display:block; width: 20px; height: 20px; background-color: #ec407a; color: #fff; font-size: 12px; position: absolute; left: 5px; top:5px; border-radius: 50%; text-align: center; line-height: 22px;}
</style>
</head>
<body>
<h3 class="h3">효과(Effect)</h3>
<div class="list">
<ul>
<li class="one1"><em>1</em><img src="https://tistory1.daumcdn.net/tistory/2141493/skin/images/img01.jpg" width="200"></li>
<li class="one2"><em>2</em><img src="https://tistory1.daumcdn.net/tistory/2141493/skin/images/img02.jpg" width="200"></li>
<li class="one3"><em>3</em><img src="https://tistory1.daumcdn.net/tistory/2141493/skin/images/img03.jpg" width="200"></li>
<li class="one4"><em>4</em><img src="https://tistory1.daumcdn.net/tistory/2141493/skin/images/img04.jpg" width="200"></li>
<li class="one5"><em>5</em><img src="https://tistory1.daumcdn.net/tistory/2141493/skin/images/img05.jpg" width="200"></li>
</ul>
</div>
<div class="btn">
<ul>
<li><input type="radio" name="radio" id="ex1" value="1"><label for="ex1">$(".list .one1 img").fadeTo("slow",0.1);</label></li>
<li><input type="radio" name="radio" id="ex2" value="2"><label for="ex2">$(".list .one2 img").fadeTo("normal",0.2);</label></li>
<li><input type="radio" name="radio" id="ex3" value="3"><label for="ex3">$(".list .one3 img").fadeTo("fast",0.3);</label></li>
<li><input type="radio" name="radio" id="ex4" value="4"><label for="ex4">$(".list .one4 img").fadeTo(1000,0.4);</label></li>
<li><input type="radio" name="radio" id="ex5" value="5"><label for="ex5">$(".list .one5 img").fadeTo(3000,0.4);</label></li>
<li><input type="radio" name="radio" id="ex6" value="6"><label for="ex6">$(".list img").fadeTo("slow",1);</label></li>
</ul>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var btn = $(".btn > ul > li > input");
btn.click(function(){
var num = $(this).attr("value");
$("*").removeClass("on");
if(num == 1){$(".list .one1 img").fadeTo("slow",0.1);}
if(num == 2){$(".list .one2 img").fadeTo("normal",0.2);}
if(num == 3){$(".list .one3 img").fadeTo("fast",0.3);}
if(num == 4){$(".list .one4 img").fadeTo(1000,0.4);}
if(num == 5){$(".list .one5 img").fadeTo(3000,0.4);}
if(num == 6){$(".list img").fadeTo("slow",1);}
});
});
</script>
</body>
</html>
Sample2 클릭하면 이미지가 순차적으로 투명해지는 예제입니다.
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<title>제이쿼리(jQuery)</title>
<style>
.list3 {overflow: hidden; min-height: 150px;}
.list3 li {float: left; width: 19%; margin:0.5%; list-style: none; position: relative; }
.list3 li img {width: 100%; }
.list3 li em {display:block; width: 20px; height: 20px; background-color: #ec407a; color: #fff; font-size: 12px; position: absolute; left: 5px; top:5px; border-radius: 50%; text-align: center; line-height: 22px;}
.btn3 {border:1px solid #F06950; padding: 7px 20px 5px 20px; display: inline-block; border-radius: 20px; text-decoration: none;}
</style>
</head>
<body>
<h3 class="h3">효과(Effect)</h3>
<div class="list3">
<ul>
<li class="one1"><em>1</em><img src="https://tistory1.daumcdn.net/tistory/2141493/skin/images/img01.jpg" width="200"></li>
<li class="one2"><em>2</em><img src="https://tistory1.daumcdn.net/tistory/2141493/skin/images/img02.jpg" width="200"></li>
<li class="one3"><em>3</em><img src="https://tistory1.daumcdn.net/tistory/2141493/skin/images/img03.jpg" width="200"></li>
<li class="one4"><em>4</em><img src="https://tistory1.daumcdn.net/tistory/2141493/skin/images/img04.jpg" width="200"></li>
<li class="one5"><em>5</em><img src="https://tistory1.daumcdn.net/tistory/2141493/skin/images/img05.jpg" width="200"></li>
</ul>
</div>
<div class="btn">
<a href="#" class="btn3">Click : 클릭하면 이미지가 순차적으로 투명해집니다.</a>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$( ".btn3" ).click(function(e) {
e.preventDefault();
$(".list3 li").first().fadeTo(1000,0.1, function Next() {
$(this).next("li").fadeTo(1000,0.1, Next );
});
});
});
</script>
</body>
</html>
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