原生js实现图片点击放大缩小效果代码-html代码-BFW代码库

原生js实现图片点击放大缩小效果代码

代码语言：html

代码描述：原生js实现图片点击放大缩小效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en" >

<head>

  <meta charset="UTF-8">
  

  
  
<style>
/* (A) LIGHTBOX BACKGROUND */
#lightbox {
  /* (A1) COVERS FULLSCREEN */
  position: fixed; z-index: 999;
  margin:0 auto;
  width: 100vw; height: 100vh;
  top:0;bottom:0;left:0;right:0;
  /* (A2) BACKGROUND */
  background: rgba(0, 0, 0, 0.5);
 
  display: flex;
  align-items: center;
  align-items: center;
 
  /* (A4) HIDDEN BY DEFAULT */
  visibility: hidden;
  opacity: 0;
 
  /* (A5) SHOW/HIDE ANIMATION */
  transition: opacity ease 0.4s;
}
.zoom {cursor: zoom-in;}
.show {cursor: zoom-out;}
/* (A6) TOGGLE VISIBILITY */
#lightbox.show {
  visibility: visible;
  opacity: 1;
}
 
/* (B) LIGHTBOX IMAGE */
#lightbox img {
  /* (B1) DIMENSIONS */
  width: 100%;
  background-position: center;
  background-repeat: no-repeat;
  /* (B2) IMAGE FIT */
  /* conta.........完整代码请登录后点击上方下载按钮下载查看