<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.name{
height:50px;
padding:30px;
border:1px solid black;
}
.item{
position:relative;
width:40px;
cursor:pointer;
}
.item:hover{
background-color:#F0F8FF;
color:#FFA500;
}
</style>
</head>
<body>
<div class="name">
<div class="item">
<span>赞</span>
</div>
</div>
<div class="name">
<div class="item">
<span>赞</span>
</div>
</div>
<div class="name">
<div class="item">
<span>赞</span>
</div>
</div>
<script src="jquery-3.5.1.min.js"></script>
<script>
$(".item").click(function(){
AddFavor(this);
});
function AddFavor(self){
var fontSize = "25";
var top = 0;
var right = 0;
var opacity = 1;
var tag_span = document.createElement("span");
$(tag_span).text("+1");
$(tag_span).css("color","green");
$(tag_span).css("position","absolute");
$(tag_span).css("fontSize",fontSize + "px");
$(tag_span).css("top",top + "px");
$(tag_span).css("right",right + "px");
$(tag_span).css("opacity",opacity)
$(self).append(tag_span)
var obj = setInterval(function(){
fontSize = fontSize -1;
top = top - 5;
right = right - 5;
opacity = opacity - 0.2;
$(tag_span).css("fontSize",fontSize + "px");
$(tag_span).css("top",top + "px");
$(tag_span).css("right",right + "px");
$(tag_span).css("opacity",opacity);
if(opacity < 0){
clearInterval(obj);
$(tag_span).remove();}
},100);
}
</script>
</body>
