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How to set the image size in JavaScript: first create an HTML sample file; then import the image through img; and finally dynamically change the image size through the "setInterval(function warp(){...}" method.
The operating environment of this article: windows7 system, javascript version 1.8.5, DELL G3 computer
How to set the image size with JavaScript?
JavaScript to change image size
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>动态改变图片大小</title>
<script language="JavaScript">
window.function () {
var n=2;
var r=1;
var control=true;
setInterval(function warp(){
if(control==true){
n++;
}
else{
n--;
}
if(n==300)control=false;//
if(n==1)control=true;
if(control==true){
oPic.width+=1;
oPic.height+=1;
}
else{
oPic.width-=1;
oPic.height-=1;
}
},30);//每隔30毫秒调用一次warp函数
}
</script>
</head>
<body bgcolor="aqua">
<img src="myImages/5.jpg" name="oPic" style="max-width:90%" alt="How to set image size with JavaScript" >
<!--放在当前目录下的图片-->
</body>
</html>
Recommended study: "javascript Advanced Tutorial"
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