使用js比较时间

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
    <title>Document</title>
    <script></script>
  </head>
  <body>
    开始时间:<input type="datetime-local" id="startTime" />
    <br />
    结束时间:<input type="datetime-local" id="endTime" />
  </body>
  <script>
    function getTime() {
      if ($("#startTime").val() !== "" && $("#endTime").val() !== "") {
        // console.log($("#startTime").val());
        // console.log($("#endTime").val());
        var oDate1 = new Date($("#startTime").val());
        var oDate2 = new Date($("#endTime").val());
        console.log(oDate1);
        if (oDate1.getTime() > oDate2.getTime()) {
          alert("第一个大");
        } else if (oDate1.getTime() < oDate2.getTime()) {
          alert("第二个大");
        } else {
          alert("相等");
        }
      }
    }
    setInterval(getTime, 1000);
    // setTimeout(getTime, 2000);
  </script>
</html>

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Origin blog.csdn.net/liulang68/article/details/121436842