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Question

<script language="javascript">
var childwinName=window.open("http://lucky.myrice.com")
function closeall(){
this.close()
childwinName.close();}
</script>
<input type=button value="关闭" onClick=closeall()>

Answer 1

<script language="javascript">
var childwinName=window.open("http://lucky.myrice.com",'_blank')
function closeall(){
childwinName.close();
this.close();
}
</script>
<input type=button value="关闭" onClick=closeall()>