本文主要是介绍父窗口和子窗口，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
子窗口
<HTML>
<HEAD><META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE>
<script language="javascript">
function trans(tag){
if (tag==0){
window.returnValue=false;
} else{
window.returnValue =true;
}
window.close();
}
</script>
</HEAD>
<BODY>
<INPUT id=button1 type=button value="返回真" name=button1 οnclick="trans(1)">
<INPUT id=button2 type=button value="返回假" name=button2 οnclick="trans(0)">
</BODY>
</HTML>
父窗口
<HTML>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE>
<script language="javascript">
function showmodal(){
var ret = window.showModalDialog("child.htm",null,"dialogWidth:350px;dialogHeight:350px;help:no;status:no");
if (ret){alert('子窗口返回真!');
}else{
alert('子窗口返回假!');
}
}
</script>
</HEAD>
<BODY>
<INPUT id=button1 type=button value=Button name=button1 οnclick="showmodal();">
</BODY>
</HTML>
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