JavaScript basic learning animation principle
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
div{
position: absolute;
width: 100px;
height: 100px;
background-color: pink;
left: 0;
}
</style>
</head>
<body>
<div></div>
<script>
var div =document.querySelector('div');
function move(obj,target){
var timer=setInterval(function(){
if(obj.offsetLeft>target){
clearInterval(timer);
}else{
obj.style.left=obj.offsetLeft+5+'px';
}
},30)
}
move(div,300)
</script>
</body>
</html>
