在指定时段显示的信息
演示效果：
代码提示：将下面代码复制到<BODY>中
<SCRIPT LANGUAGE="JavaScript"> <!-- Begin // 修改日期时段 var goLiveDate = "20031000"; var expireDate = "20051015"; var expireYear = expireDate.substring(0,4) var expireMonth = expireDate.slice(4,-2) var expireDay = expireDate.slice(6) var liveYear = goLiveDate.substring(0,4) var liveMonth = goLiveDate.slice(4,-2) var liveDay = goLiveDate.slice(6) var nowDate = new Date(); var day = nowDate.getUTCDate(); var month = nowDate.getUTCMonth(); var month1 = month + 1; if (month1 < 10) { month1 = "0" + month1; } if (day < 10) { day = "0" + day; } var year = nowDate.getYear(); var GMTdate = year + "" + month1 + "" + day if ((GMTdate < expireDate) && (GMTdate >= goLiveDate)) { // 修改显示的信息 document.write("<div align='center'><b>这些信息将在 " + liveMonth + "/" + liveDay + "/" + liveYear + "开始显示，<br>在 " + expireMonth + "/" + expireDay + "/" + expireYear +"会自动消失.</b></div>") } // End --> </script>
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