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How to use JS+CSS3 to realize image zooming in and out in response to mouse movement
How to use JS+CSS3 to realize image zooming in and out in response to mouse movement
This time I will show you how to use JS CSS3 to realize the zooming in and out of images in response to mouse movement, and how to use JS CSS3 to realize the zooming in and out of images in response to mouse movement. take a look. I was looking at the NetEase website today. When I put the mouse on it, I found that the picture was enlarged, and when I moved the mouse, the picture was reduced, so I tried it myself. The results are as follows.
Method 1: Using js and css3The effect is as shown:
This implementation is very simple, just use the
and mouseout events of js, but I don’t know how to enlarge the picture from the middle. Let’s try again in the future. The code is as follows: <!DOCTYPE html>
<html>
<head>
<title>网易图片动画</title>
<style>
p.img {
width: 220px;
height: 170px;
margin: 200px auto;
overflow: hidden;
}
img.bigger {
width: 100%;
height:100%;
}
@keyframes bigger {
from {width: 100%;height: 100%;}
to {width: 110%; height: 110%;}
}
@keyframes smaller {
from {width: 110%;height: 110%;}
to {width: 100%; height: 100%;}
}
</style>
</head>
<body>
<p class="img">
<img class="bigger" src="http://cms-bucket.nosdn.127.net/d9b6afa0bad743f88c1780c3a064202c20170218074455.jpeg?imageView&thumbnail=185y116&quality=85" alt="">
</p>
<script>
var img = document.querySelector("img");
img.onmouseover = function () {
img.style.cssText = "animation: bigger 2s;width:110%; height:110%;";
}
img.onmouseout = function () {
img.style.cssText = "animation: smaller 2s";
}
</script>
</body>
</html>
Method 2: Use css3 methodcss3 has indeed brought us many benefits, making it easier for us to deal with problems. This can be achieved by using
transform:scale();, but this must be used in combination with hover, and the duration of the transition must be set to achieve better results. Without further ado, the effect is as follows:
Isn’t this effect much better? You can see that it expands from the center.
transform-origin
attribute, we can well control the center point of the change, such as: transform-origin: 0 0;
transform-origin: 100% 0;
transform-origin: 0 100%;
transform-origin: 100% 100%;
is 50% 50%. The source code is as follows:
<!DOCTYPE html>
<html>
<head>
<title>网易图片动画</title>
<style>
p.img {
width: 220px;
height: 170px;
margin: 200px auto;
overflow: hidden;
}
img.bigger {
width: 100%;
height:100%;
transition:transform 2s;
}
img.bigger:hover{
transform: scale(1.2,1.2);
}
</style>
</head>
<body>
<p class="img">
<img class="bigger" src="http://cms-bucket.nosdn.127.net/d9b6afa0bad743f88c1780c3a064202c20170218074455.jpeg?imageView&thumbnail=185y116&quality=85" alt="">
</p>
</body>
</html>I believe you have mastered it after reading the case in this article For more exciting methods, please pay attention to other related articles on the php Chinese website!
Recommended reading:
What are the methods for jQuery.i18n to implement front-end internationalization
##How to use jQuery.i18n.properties Internationalize JS code
The above is the detailed content of How to use JS+CSS3 to realize image zooming in and out in response to mouse movement. For more information, please follow other related articles on the PHP Chinese website!
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