时间：2021-07-15 09:31:14 | 栏目：JavaScript代码 | 点击：次
使用JS实现鼠标放上图片进行放大离开实现缩小功能，具体代码如下所示：
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<div id= 'div_jpg' style="width: 200px;height: 200px;">
<img src="./128206.jpg" id="img" style="width: 100%;height: 100%;">
</div>
<script>
var img = document.getElementById('img')
var s1,s2
console.log(img)
// 图片放大效果
i = 100;
img.addEventListener('mouseover',function(){
clearInterval(s1);
s1 = setInterval(function(){
i+=0.1;
img.style.width = (i)+'%';
img.style.height = (i)+'%';
i = parseFloat(i);
if(i>=120) clearInterval(s1);
},1);
})
img.addEventListener('mouseout',function(){
clearInterval(s2);
s2 = setInterval(function(){
i-=0.1;
img.style.width = (i)+'%';
img.style.height = (i)+'%';
i = parseFloat(i);
if(i<=100) clearInterval(s2);
})
})
</script>
</body>
</html>
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