A.html:
<form name="form1">
<input type="text" name="text1" value= "A窗口原值 ">
<input type="button" value= "打开新窗口B" οnclick= "window.open( 'B.html', 'bwindow'); ">
</form>
B.html
<body>
<input type="button" value= "传值到A窗口 " οnclick= "window.opener.form1.text1.value= '这是B窗口传过来的值 '; ">
</body>
