<a href="../asdocs/html_tutorials/humor01.html" target="_blank">一则笑话</a> 在新窗口中打开网页
<head><style>a{TEXT-DECORATION:none}</style> <!-- 放在头文件中去掉超链接的下划线 --></head>
<center><a href="javascript:history.back(1)">返回上一页</a></center>
<a href="<a href="javascript :history.back(-1)">返回上一页</a>
或<a href="javascript :;" onClick="javascript :history.back(-1);">返回上一页</a>
如果是用按钮做的话就是：<input type="button" name="Submit" onclick="javascript:history.back(-1);" value="返回上一页">
用图片做的话就是：<a href="javascript :;" onClick="javascript :history.back(-1);"><img src="图片路径" border="0" title="返回上一页"></a>
<a href="javascript:window.close()">关闭窗口</a>
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