< xmlns = "http://www.w3.org/1999/xhtml"> <fead> <meta http-equiv = "content-type" content = "text/html; charset = utf-8"/> <title> fixbox </title> <script id = "xcore" type = "text/javascript" src = "http://www.haiqiancun.com/xwidget-0.1/xcore.js"> </script> <style>*{margin: 0px; padding: 0px;} cuerpo {altura: 3000px;} </ystye> <script> $ (function () id = self.attr ("id") || fb.outerHeight () + 'PX; visual $ (ventana) .scroll (function () {var pt = fb.data ('top'); var pl = fb.data ('izquierda'); var st = $ (documento) .scrolltop () - 10; var h = $ (documento) .Height (); if (st> pt || st == pt) {cd.show (); if ((st + self.outerHeight ())> h) {self.css ({posición: 'fijo', top: (h - (st + self.outerHeight ())}); } else {self.css ({posición: 'fijo', superior: 0 - mt}); }} else {cd.hide (); self.css ({posición: 'relativo', superior: 0}); }})})}) </script> </span> </head> <body> <div> <div style = "margin-top: 50px; width: 100%; desbordamiento: hidden; en segundo plano: #fff; font-size: 12px;"> <script> $ (function () {$ (". self.attr ("id") || 'Fixedbox _'+Math.round (Math.random ()*100000); Self.attr ("id", id); $ ('<divstyle ")+'"> </div> '); fb.after (cd); = fb.data ('izquierda'); var st = $ (documento) .ScrollTop ()-10; Self.css ({posición: 'fijo', top: (h- (st+self.outerHeight ())});} else {self.css (posición: 'fijo', top: 0-mt});} else {cd.hide (); </script> </div> 例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例子例 </div> </body> </html>