IE在DOM操作有表单控件时的bug 更新日期：2024/10/13 饿虎岗资源网

bug描述
当象下例中那样操作了表单radio/checkbox的DOM结构时（或者直接影响了他们的结构时）选中的checkbox/radio将会自动恢复到默认状态，有如点了reset按钮一样。

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html><head><title>Rank's HTML document</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><meta http-equiv="Pragma" content="no-cache" /> <meta http-equiv="Cache-Control" content="no-cache" /> <meta http-equiv="Expires" content="0" /><meta http-equiv="ImageToolbar" content="no" /><meta http-equiv="Creator.name" content="Rank, BlueDestiny, never-online" /><style type="text/css" title="default" media="screen">/*<![CDATA[*/body { font-size:80%; line-height:1.5; }body, button { font-family:arial; }button { padding:0 0.3em 0 0.3em; }h1, h3 { margin:0; padding:0; }h1 { font-size:2.3em; }h3 { font-size:1.3em; }form { display:inline-block; }div.link { padding:1em; }div.content { background:#ffc; padding:1em; border:1px solid #222; margin:1em 0 1em; }#rdoWrapper { }#hd { text-align:center; }/*]]>*/</style></head><body><h1> IE form control bug </h1>from: <em>never-online weblog</em><h3> 1. Select radio to checked </h3><h3> 2. Click button to change dom structure </h3><p><button type="button" onclick="handleChangeDom()">test</button></p></body></html>

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]
解决方法
可以在操作DOM之前，用defaultChecked来设置checked的值。

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html><head><title>Rank's HTML document</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><meta http-equiv="Pragma" content="no-cache" /> <meta http-equiv="Cache-Control" content="no-cache" /> <meta http-equiv="Expires" content="0" /><meta http-equiv="ImageToolbar" content="no" /><meta http-equiv="Creator.name" content="Rank, BlueDestiny, never-online" /><style type="text/css" title="default" media="screen">/*<![CDATA[*/body { font-size:80%; line-height:1.5; }body, button { font-family:arial; }button { padding:0 0.3em 0 0.3em; }h1, h3 { margin:0; padding:0; }h1 { font-size:2.3em; }h3 { font-size:1.3em; }form { display:inline-block; }div.link { padding:1em; }div.content { background:#ffc; padding:1em; border:1px solid #222; margin:1em 0 1em; }#rdoWrapper { }#hd { text-align:center; }/*]]>*/</style></head><body><h1> fixed IE form control bug </h1>from: <em>never-online weblog</em><h3> 1. Select radio to checked </h3><h3> 2. Click button to change dom structure </h3><p><button type="button" onclick="handleChangeDom()">test</button></p></body></html>

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

IE在DOM操作有表单控件时的bug

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