window.window.showModelessDialog()堆栈溢出？？？

Question

<script>
function showModelessDialog(){
//alert("showModelessDialog()");
window.showModelessDialog();
}
function showModeDialog(){
//alert("showModalDialog()");
window.showModalDialog();
}
</script>
<input type=button value="showModelessDialog" onClick="showModelessDialog()"/>
<!--<input type=button value="showModeDialog" onClick="showModeDialog()"/>-->

Answer 1

递归没有出口条件,造成了死循环
function showModelessDialog(){
//alert("showModelessDialog()");
//window.showModelessDialog();//这句递归调用会造成死循环
alert(window.showModelessDialog);//这样才不会
}
function showModeDialog(){
//alert("showModalDialog()");
window.showModalDialog(); //这句也是无限递归
}