<!DOCTYPE html> <html> <head> <meta http-equiv="Content-type" content="text/html; charset=utf-8" /> <title></title> <style> *{ padding: 0; margin: 0; } #box{ background-color: red; height: 100px; } </style> <script src="http://libs.baidu.com/jquery/1.9.1/jquery.js"></script> </head> <body> <div id="box"></div> <script type="text/javascript"> $(window).resize(function () { var box = $("#box"); box.css({"width": ""+ $(document).width() +"px"}); }) </script> </body> </html>
屏幕由小变大div的宽度随之变大,为什么由大到小div宽度不变?怎么让div由大到小时随页面大小变小?
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