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JavaScript? ?????? ???? ?? ??? ??? ??? ??? ? ????.

window

window ??? ?? ?? ??? ? ?? ??? ???? ?? ?????.

window ???? ???? ?? ?? ??? ??? ??? ? ?? innerWidth ? innerHeight ??? ????. ?? ??? ??? ?? ???, ?? ??, ???? ?? ?? ??? ??? ??? ? ? ???? ???? ? ???? ? ??? ??? ?????.

???: IE<=8? ???? ????. 

<html>
<head>
    <script>
        'use strict';
        alert('window inner size: ' + window.innerWidth + ' x ' + window.innerHeight);
    </script>
</head>
<body>
</body>
</html>

? ???? ???? ?? ?? ??? ??? ?? ? ?? externalWidth ? externalHeight ??? ????.


???? ??
||
<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>window對象</title> <script type="text/javascript"> function myFunction() { alert("歡迎來到phpd中文網(wǎng)") window.open('http://ipnx.cn','_blank','width=600 height=400') } </script> </head> <body> <form> <input type="button" value="點擊我，打開新窗口" onclick="myFunction()" /> </form> </body>