<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style >

        .container{

            padding: 50px;

            border:  1px solid #dddddd;

        }

        .item{

            position: relative;

            width:30px;

        }

    </style>

</head>

<body>

    <div class="container">

        <div class="item"><span >赞</span>

        </div>

    </div>

    <div class="container">

        <div class="item"><span >赞</span></div>

    </div>

     <div class="container">

        <div class="item"><span >赞</span></div>

    </div>

    <div class="container">

        <div class="item"><span >赞</span></div>

    </div>

    <script src="jquery1.9.js"></script>

    <script>

        $(".item").click(function () {

           // console.log(11);

            AddFavor(this);

        })

        function AddFavor(self) {

            var fontsize=;

            var top=;

            var right=;

            var opcity=;

            var tag=document.createElement('span');

            $(tag).text("+1");

            $(tag).css("color","green");

            $(tag).css("position","absolute");

            $(tag).css("fontSize",fontsize+"px");

            $(tag).css("right",right+"px");

            $(tag).css("top",top+"px");

            $(tag).css("opacity",opcity);

            $(self).append(tag);

            var obj=setInterval(function () {

                fontsize=fontsize+;

                top=top-;

                right=right-;

                opcity =opcity-0.1;

                $(tag).css("color","green");

                $(tag).css("position","absolute");

                $(tag).css("fontSize",fontsize+"px");

                 console.log(fontsize);

                $(tag).css("right",right+"px");

                $(tag).css("top",top+"px");

                $(tag).css("opacity",opcity);

                if(opcity<){

                    clearInterval(obj);

                    $(tag).remove();

                }

            },);

        }

    </script>

</body>

</html>