Question

我想在电子商务网站上添加以下内容：“想要在9月9日星期一之前完成吗？请在2小时24分钟内订购”，在当前日期前加上X天（预计运送天数）。为此，我在网上查找了以下代码：

<div style="text-align: center;font-weight: 400; font-size: 19px; color: #002f40;" id="clockbox"></div>

<script type="text/javascript">
var tday = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
var tmonth = ["Jan.", "Feb.", "Mar.", "Apr.", "May", "June", "July", "Aug.", "Sept.", "Oct.", "Nov.", "Dec."];

function GetClock() {
    var n = 8; // Shipping time
    var today = new Date();
    var d = new Date(today.getFullYear(), today.getMonth(), today.getDate() + n)
    var nday = d.getDay(),
        nmonth = d.getMonth(),
        ndate = d.getDate();

    var clocktext = "<strong>Want it by <span style='color: #af3831;'>" + tday[nday] + ", " + tmonth[nmonth] + " " + [ndate] + " </span>?</strong>";
    document.getElementById('clockbox').innerHTML = clocktext;
}

GetClock();
setInterval(GetClock, 1000);

但是，周日没有交货，我想排除这一天而改为第二天。我试图在这里添加这段代码：

var sunday = tday[nday];
document.getElementById('sundaytext').innerHTML = sunday;

if (sundaytext = "Sunday") {

    var clocktext = "<strong>Want it by <span style='color: #af3831;'> Monday, " + tmonth[nmonth] + " " + [ndate+1] + " </span>?</strong>";
    } else

    var clocktext = "<strong>Want it by <span style='color: #af3831;'>" + tday[nday] + ", " + tmonth[nmonth] + " " + [ndate] + " </span>?</strong>";
    document.getElementById('clockbox').innerHTML = clocktext;

它没有用，并且您可以看到这种方法并不是最聪明的事情，但是我对JS的了解非常有限，因此，我加入了这个论坛来寻求您的帮助。任何意见，高度赞赏！谢谢。

Answer 1

除了变量名之外，其他都没问题……应该为if (sunday == "Sunday")（或者您可以使用if(tday[nday]=="Sunday")），但是您使用的是if (sundaytext = "Sunday")。没有这样一个名为'sundaytext的变量在您的代码中。

var sunday = tday[nday];
document.getElementById('sundaytext').innerHTML = sunday;

if (sunday == "Sunday") {
   var clocktext = "<strong>Want it by <span style='color: #af3831;'>Monday, " + tmonth[nmonth] + " " + [ndate+1] + " </span>?</strong>";
} 
else{
  var clocktext = "<strong>Want it by <span style='color: #af3831;'>" + tday[nday] + ", " + tmonth[nmonth] + " " + [ndate] + " </span>?</strong>";    
}
document.getElementById('clockbox').innerHTML = clocktext;

Answer 2

应该是：

if (sundaytext == "Sunday") {...}

带有日期的JS If语句

2 个答案: