JS⽗页⾯与⼦页⾯相互传值⽅法
⼦页⾯要向⽗页⾯传值，只要在document前⾯加window.opener即可。
如：
1.⽗页⾯代码：
<html xmlns="/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>⽆标题⽂档title>
head>
<script language="javascript">
function tanchu()
{
window.open("Untitled-5.html");
}
script>
<body>
<form id="form1" name="form1" method="post" action="">
<label> <input type="submit" name="button" id="button" value="提交"
onclick="tanchu()" />
label> <label> <input type="text" name="textfield" id="textfield" />
label>
form>
</body>
</html>
2.⼦页⾯代码：
<html xmlns="/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>⽆标题⽂档title>
head>
<script language="javascript">
function aaa()
{
window.ElementByIdx('textfield').value='123123123';
}
script>
<body>
<form id="form1" name="form1" method="post" action="">
<label> <input type="submit" name="button" id="button" value="提交"
onclick="aaa()" />
label>
form>
</body>
</html>
⼦页⾯要向⽗页⾯传值，只要在document前⾯加parent即可。
1.⽗页⾯代码：
<html xmlns="/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>⽆标题⽂档title>
head>
<body>
<form id="form1" name="form1" method="post" action="">
<label> <input type="text" name="textfield" id="textfield" />
label>
<iframe id="myiframe" src="Untitled-3.html">iframe>
form>
</body>
</html>
2.⼦页⾯代码
<html xmlns="/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>⽆标题⽂档title>
head>
<script language="javascript">
function aa()
{
var a=ElementByIdx('textfield').value;
alert(a);jsarray删除元素
}
script>
<body>
<form id="form1" name="form1" method="post" action="">
<label> <input type="submit" name="button" id="button" value="提交"            onClick="aa()" />
label>
form>
</body>
</html>

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