js代码
<script> $(document).ready(function() { $('body').on("click",'.heart',function() { var A=$(this).attr("id"); var B=A.split("like"); var messageID=B[1]; var C=parseInt($("#likeCount"+messageID).html()); $(this).css("background-position","") var D=$(this).attr("rel"); if(D === 'like') { $("#likeCount"+messageID).html(C+1); $(this).addClass("heartAnimation").attr("rel","unlike"); } else { $("#likeCount"+messageID).html(C-1); $(this).removeClass("heartAnimation").attr("rel","like"); $(this).css("background-position","left"); } }); }); </script>