常用JavaScript小技巧
1. 检查一段字符串是否全由数字组成
http://ttyp.cnblogs.com/archive/2004/11/15/63900.aspx
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<script language="Javascript">
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<!--
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function checkNum(str)
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{
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return str.match(//D/)==null
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}
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alert(checkNum("1232142141"))
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alert(checkNum("123214214a1"))
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-->
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</script>
11![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
2. ENTER键可以让光标移到下一个输入框 ![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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<input onkeydown="if(event.keyCode==13)event.keyCode=9">
3. 删除确认 ![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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<a href="javascript:if(confirm("确实要删除吗?"))location="boos.asp?&areyou=删除&page=1"">删除</a>
4. 在打开的子窗口中刷新父窗口 ![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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window.opener.location.reload()
更多技巧:![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
http://ttyp.cnblogs.com/archive/2004/11/15/63900.aspx