<div class="pr competitionHome"> <div class="homePageBtn edu-txt-center"> <div class="inline"> <a href="<%= competitions_hn_path %>" target="_blank" class="homeBtn mr60">湖南赛区</a> <a href="<%= competitions_db_path %>" target="_blank" class="homeBtn">东北赛区</a> </div> </div> </div> <script> $(function(){ resize(); $(".newContainer").css({"min-height":"900px"}); }) function resize(){ var height=parseInt(document.body.scrollHeight)-295; $(".competitionHome").height(height); } $(window).resize(function(){ resize(); }) </script>