getElementsByName的使用
2006-10-12 18:25 清炒白菜 阅读(513) 评论(0) 编辑 收藏 举报
When you use the getElementsByName method, all elements in the document that have the specified NAME or ID attribute value are returned.
在IE中,getElementsByName 既取NAME属性,又取ID属性。
在IE中,getElementsByName 既取NAME属性,又取ID属性。
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<form>
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<TABLE>
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<TR name="tbltr" id="tbltr">
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<TD>1</TD>
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<TD>2</TD>
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</TR>
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<TR name="tbltr" id="tbltr">
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<TD>3</TD>
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<TD>4</TD>
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</TR>
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</TABLE>
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</form>
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<SCRIPT LANGUAGE="JavaScript">
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<!--
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var t = document.getElementsByName('tbltr');
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alert(t.length);
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//-->
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</SCRIPT>
如果不把tr的NAME与ID一起设置,则变量T取不到任何元素.
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