jQuery点赞+1放大效果
jquery实现点赞+1动态放大后消失效果，模仿163点赞或踩效果。
<!doctype html>
<html lang="en">
<head>
<meta charset="gb2312">
<title>jQuery点击弹出+1放大效果</title>
<style type="text/css">
body {
margin: 0;
padding: 0;
font: 12px/1.5 arial;
color: #3E3E3E;
}
p {
margin-bottom: 80px;
}
#btn {
width: 90px;
height: 36px;
border: none;
background-color: #069;
color: #fff;
font-size: 14px;
font-family: Microsoft YaHei;
cursor: pointer;
}
</style>
</head>
<body>
<p> </p>
<p style="text-align:center;"><button class="btn">点击+1</button></p>
<p style="text-align:center;"><button class="btn">点击+1</button></p>
<p style="text-align:center;"><button class="btn">点击+1</button></p>
<script src="http://www.w3school.com.cn/jquery/jquery-1.11.1.min.js"></script>
<script>
; (function ($) {
$.extend({
tipsBox: function (options) {
options = $.extend({
obj: null, //jq对象，要在那个html标签上显示
str: "+1", //字符串，要显示的内容;也可以传一段html，如: "<b style='font-family:Microsoft YaHei;'>+1</b>"
startSize: "12px", //动画开始的文字大小
endSize: "30px", //动画结束的文字大小
interval: 600, //动画时间间隔
color: "red", //文字颜色
callback: function () { } //回调函数
}, options);
$("body").append("<span class='num'>" + options.str + "</span>");
var box = $(".num");
var left = options.obj.offset().left + options.obj.width() / 2;
var top = options.obj.offset().top - options.obj.height();
box.css({
"position": "absolute",
"left": left + "px",
"top": top + "px",
"z-index": 9999,
"font-size": options.startSize,
"line-height": options.endSize,
"color": options.color
});
box.animate({
"font-size": options.endSize,
"opacity": "0",
"top": top - parseInt(options.endSize) + "px"
}, options.interval, function () {
box.remove();
options.callback();
});
}
});
})(jQuery);
</script>
<script>
$(function () {
//$(".btn").one//只能点击一次用one来绑定
$(".btn").bind('click',function () {
$.tipsBox({
obj: $(this),
str: "+1",
callback: function () {
//alert(5);
}
});
});
});
</script>
</body>
</html>
来源：http://bbs.csdn.net/topics/391911535
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