js 返回上一个页面

code

<input type=button value=刷新 οnclick="window.location.reload()">
<input type=button value=前进 οnclick="window.history.go(1)">
<input type=button value=后退 οnclick="window.history.go(-1)">
<input type=button value=前进 οnclick="window.history.forward()">
<input type=button value=后退 οnclick="window.history.back()"> //后退+刷新