<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").click(function () { $.tipsBox({ obj: $(this), str: "+1", callback: function () { //alert(5); } }); }); }); </script>
