<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>Document</title> <script> function back() { history.go(-1); //后退1页 } function forward() { history.go(+1); //前进1页 } function refresh() { history.go(-0); //刷新 } </script> </head> <body> <input type="button" value="后退" onclick="back()" /> <input type="button" value="刷新" onclick="refresh()" /> <input type="button" value="前进" onclick="forward()" /> </body> </html>