availHeight 屏幕区域的可用高度
availWidth 屏幕区域的可用宽度
colorDepth 颜色深度 256/8 16/16 32M/32
height 屏幕区域的实际高度
width 屏幕区域的实际宽度

 

例1:
<Script>

with (document) {
    write ("您的屏幕显示设定值如下:<P>");
    write ("屏幕的实际高度为", screen.availHeight, "<BR>");
    write ("屏幕的实际宽度为", screen.availWidth, "<BR>");
    write ("屏幕的色盘深度为", screen.colorDepth, "<BR>");
    write ("屏幕区域的高度为", screen.height, "<BR>");
    write ("屏幕区域的宽度为", screen.width);
}

</Script>

例2:
<Script>

if ( screen.width < 800 || screen.colorDepth < 8 ){
    var msg = "本网站最佳浏览模式为 800 * 600 * 256";
    alert(msg);
}

</Script>

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