w3.css

탭 갤러리

CSS 및 JavaScript를 사용하여 탭 이미지 갤러리를 만드는 방법을 알아보자.

탭 갤러리 만들기

1단계) HTML 추가

<!-- The grid: four columns -->
<div class="row">
  <div class="column">
    <img src="img_nature.jpg" alt="Nature" onclick="myFunction(this);">
  </div>
  <div class="column">
    <img src="img_snow.jpg" alt="Snow" onclick="myFunction(this);">
  </div>
  <div class="column">
    <img src="img_mountains.jpg" alt="Mountains" onclick="myFunction(this);">
  </div>
  <div class="column">
    <img src="img_lights.jpg" alt="Lights" onclick="myFunction(this);">
  </div>
</div>

<!-- The expanding image container -->
<div class="container">
  <!-- Close the image -->
  <span onclick="this.parentElement.style.display='none'" class="closebtn">×</span>

  <!-- Expanded image -->
  <img id="expandedImg" style="width:100%">

  <!-- Image text -->
  <div id="imgtext"></div>
</div>

이미지를 사용하여 특정 이미지를 확장하자.
열 내부를 클릭한 이미지는 열 아래 컨테이너에 표시된다.

2단계) CSS 추가

4개의 열을 만들고 이미지 스타일을 지정한다.

/* The grid: Four equal columns that floats next to each other */
.column {
  float: left;
  width: 25%;
  padding: 10px;
}

/* Style the images inside the grid */
.column img {
  opacity: 0.8;
  cursor: pointer;
}

.column img:hover {
  opacity: 1;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* The expanding image container (positioning is needed to position the close button and the text) */
.container {
  position: relative;
  display: none;
}

/* Expanding image text */
#imgtext {
  position: absolute;
  bottom: 15px;
  left: 15px;
  color: white;
  font-size: 20px;
}

/* Closable button inside the image */
.closebtn {
  position: absolute;
  top: 10px;
  right: 15px;
  color: white;
  font-size: 35px;
  cursor: pointer;
}

3단계) ​​자바스크립트 추가

function myFunction(imgs) {
  // Get the expanded image
  var expandImg = document.getElementById("expandedImg");
  // Get the image text
  var imgText = document.getElementById("imgtext");
  // Use the same src in the expanded image as the image being clicked on from the grid
  expandImg.src = imgs.src;
  // Use the value of the alt attribute of the clickable image as text inside the expanded image
  imgText.innerHTML = imgs.alt;
  // Show the container element (hidden with CSS)
  expandImg.parentElement.style.display = "block";
}

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