Question

我对javascript很新并且遇到了我的问题，这个地方在不同月份开放不同，所以我希望能够阅读这个月，然后告诉我它是否开放。

<script type="text/javascript">
    var time = newDate().getHours();
    var opening;
    var month = newDate().getMonth();

    if (month == 0) {
      if (time <= 17) {
        opening = "Open";
      }
      else {
        opening = "closed";
      }
    }
    else if (month == 1) {
      if (time <=18) {
        opening = "Open";
      }
      else {
        opening = "closed";
      }
    }
    else if (month = 3) {
      if (time <=19) {
        opening = "Open";
      }
      else {
        opening = "closed";
      }
    }
    else if (month = 4) {
      if (time <=19) {
        opening = "Open";
      }
      else {
        opening = "closed";
      }
    }
    else if (month = 5) {
      if (time <=19) {
        opening = "Open";
      }
      else {
        opening = "closed";
      }
    }
    else if (month = 6 ) {
      if (time <=21) {
        opening = "Open";
      }
      else {
        opening = "closed";
      }
    }
    else if (month = 7) {
      if (time <=19) {
        opening = "Open";
      }
      else {
        opening = "closed";
      }
    }
    else if (month = 8) {
      if (time <=19) {
        opening = "Open";
      }
      else {
        opening = "closed";
      }
    }
    else if (month = 9) {
      if (time <=19) {
        opening = "Open";
      }
      else {
        opening = "closed";
      }
    }
    else if (month = 10) {
      if (time <=19) {
        opening = "Open";
      }
      else {
        opening = "closed";
      }
    }
    else (month = 11) {
      if (time <=19) {
        opening = "Open";
      }
      else {
        opening = "closed";
      }
    }

    document.getElementById("demo").innerHTML = opening;
</script>

我查了一些例子，但似乎无法得到它

Answer 1

将所有值从if(month = 3)更改为if(month == 3)，将3更改为11。它会工作。你错过了month == 2的条件。

首选swich()用于此类案件。它的mich更干净

Answer 2

一些问题：

newDate()应为new Date()
使用==进行比较而不是=，您在大多数地方都错过了它：注意else if (month = 3) {与else if (month == 3) {
您的上一个else应该是else if，因为您已在其中设置条件：else if (month == 11) {

我想让我的javascript告诉我这个地方是开放还是关闭，但它无法正常工作

2 个答案: