【 javascript】showModalDialog

	//開新窗function
	function openWindow(url) {
	var Feature = 'dialogWidth:1920px;dialogHeight:1080px;status:0;help:0;';
	var showModalObj = window.showModalDialog(url, window, f)
	}
	---------------------------------------------------------------------------
	showModalDialog回傳值的方式
	showModalDialog頁面寫以下Javascript：
	function GoReturnValue() {
	//宣告一個Object
	var ReturnObject = new Object();
	//給這個Object屬性值
	ReturnObject.codeValue = "Hello world!!";
	//將這個Object回傳
	window.returnValue = ReturnObject;
	window.close();
	}
	母頁面取值方式：
	var ReturnObject = window.showModalDialog(url, window, f);
	//取得這個Object的屬性值，在這邊應該會得到"Hello world!!"
	alert(ReturnObject.codeValue);

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