話不多說，請看代碼：
<!DOCTYPE html><html><head><meta charset="utf-8"><title>footer定位</title><style> *{ margin:0; padding: 0; } .box{ width: 100%; height:300px; background: pink; margin-bottom: 30px; } .footer{ background: red; width: 100%; height:30px; }</style></head><body><div class="main"><!--頭部開始--> <div class="box"> </div></div><!--底部--><div class="footer"></div><script type="text/javascript" src='http://libs.baidu.com/jquery/2.0.0/jquery.js'></script></body></html><script>$(document).ready(function () { var theWindow = $(window); function resized() { var windowSize=window.devicePixelRatio; if(windowSize==1){ var hg2 = $(window).height(); var main = $('.main').outerHeight(); var hg4 = $('.footer').outerHeight(); var hg=hg2-hg4 if( hg > main){ $('.footer').css({"position":'fixed','bottom':0,'left':0,"z-index":999,"width":"100%"}); }else{ $('.footer').css({"position":'static'}); } }else{ $('.footer').css({"position":'static'}); } } theWindow.resize(function () { resized(); }).trigger('resize');});</script>以上就是本文的全部內容，希望本文的內容對大家的學習或者工作能帶來一定的幫助，同時也希望多多支持武林網！
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