CSS ??? ?? ???
??: visibility ??? ??? ????? ??? ?????. ?: ??? ?? ??? ??? ??? ?????. ??? ??? ???? ?? ??? ?? ??? ???? "display" ??? ?????.
??: ? ??? ??? ?? ??? ?? ??? ???? ??? ?????. ?? ??? ??? ?? ??? ????? ??? ??? ?? ? ??? ?????. ? ??? ??? ?????? ??? ?? ???? ?? ????? ?????.?
??: ?? ?? ????? ??? ??? ?????. "??" ? "??" ?? ?? ?? ??? Internet Explorer(IE8 ??)?? ???? ????.
CSS ??? ?? ?
<html>
<head>
<style type="text/css">
h1.visible {visibility:visible}
h1.invisible {visibility:hidden}
</style>
</head>
<body>
<h1 class="visible">php中文網(wǎng)</h1>
<h1 class="invisible">php中文網(wǎng)</h1>
</body>
</html>??? ????? ??? "???? ??" ??? ?????