search

Home >Web Front-end >JS Tutorial >jQuery makes mouse wheel operation picture zoom size

jQuery makes mouse wheel operation picture zoom size

php中世界最好的语言
php中世界最好的语言Original
2018-04-19 15:20:382527browse

This time I will bring you jQueryHow to make a mouse wheel operationPictureZoom size, jQuery makes a mouse wheel operation picture zoom sizeNotesYes Which ones, the following are practical cases, let’s take a look. 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>鼠标滚轮控制图片缩放</title>
<script type="text/javascript" src="jquery-1.7.2.min.js"></script>
<script type="text/javascript">
$(function() {
 function zoomImg(o) {
  var zoom = parseInt(o.style.zoom, 10) || 100;
  zoom += event.wheelDelta / 2; //可适合修改
  if (zoom > 0) o.style.zoom = zoom + '%';
 }
 $(document).ready(function() {
  $("img").bind("mousewheel",
  function() {
   zoomImg(this);
   return false;
  });
 });
})
</script>
</head>
<body>
<center>
<img src="1.jpg"/>
</center>
</body>
</html>

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

Recommended reading:



The above is the detailed content of jQuery makes mouse wheel operation picture zoom size. For more information, please follow other related articles on the PHP Chinese website!

php jquery
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：jQuery creates page mask layer effectNext article：jQuery creates page mask layer effect

Related articles

See more