?? ch5_examp2.htm
字號:
<HTML>
<BODY>
<SCRIPT LANGUAGE=JavaScript>
switch (window.screen.colorDepth)
{
case 1:
case 4:
document.bgColor = "white";
break;
case 8:
case 15:
case 16:
document.bgColor = "blue";
break;
case 24:
case 32:
document.bgColor = "skyblue";
break;
default:
document.bgColor = "white";
}
document.write("Your screen supports " + window.screen.colorDepth +
"bit color");
</SCRIPT>
</BODY>
</HTML>
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