检查日期是否在过去 Javascript [英] Check if date is in the past Javascript

问题描述

所有，我将 jQuery UI 用于日期选择器.我正在尝试使用 javascript 进行检查，尽管用户输入的日期是过去的日期.这是我的表单代码:

All, I'm using the jQuery UI for the date picker. I'm trying to check with javascript though that the date the user has entered is in the past. Here is my form code:

<input type="text" id="datepicker" name="event_date" class="datepicker">

那么我将如何使用 Javascript 进行检查以确保它不是过去的日期?谢谢

Then how would I check this with Javascript to make sure it isn't a date in the past? Thanks

推荐答案

$('#datepicker').datepicker().change(evt => {
  var selectedDate = $('#datepicker').datepicker('getDate');
  var now = new Date();
  now.setHours(0,0,0,0);
  if (selectedDate < now) {
    console.log("Selected date is in the past");
  } else {
    console.log("Selected date is NOT in the past");
  }
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.min.js"></script>
<input type="text" id="datepicker" name="event_date" class="datepicker">

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