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