嗨，我有两个约会 firstDate =“ 06/11/2019” lastDate =“ 15/11/2019 00:00:00”
var date1 = new Date(firstDate);
var date2 = new Date(lastDate);
var diffTime = Math.abs(date2 - date1);
var diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));
我得到diffDays = NaN。我怎样才能做到这一点。谢谢。
您的 lastDate 是无效的日期。 您可以使用
进行检查 <!--/* Thymeleaf templating engine,Each token will be replaced by their respective titles in the
resulting page. */-->
< html xmlns:th="http://www.thymeleaf.org" layout:decorate="~{layout}">
<head>
<title>Share Contact Info</title>
<meta charset="UTF-8">
<title>Share Contact Info</title>
<!-- <link href="http://netdna.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.css"
rel="stylesheet">
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.js"></script>
<script src="http://netdna.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.js"></script>
-->
<link href="http://cdnjs.cloudflare.com/ajax/libs/summernote/0.8.12/summernote.css"
rel="stylesheet">
<script src="http://cdnjs.cloudflare.com/ajax/libs/summernote/0.8.12/summernote.js"></script>
</head>
<body>
<div layout:fragment="breadcrumb">
<h1>Share Contact Info</h1>
<ol class="breadcrumb">
<li><a href="#" th:href="@{/}"><i class="fa fa-dashboard"></i> Home</a></li>
<li class="active">Share Contact Info</li>
</ol>
</div>
<div layout:fragment="content">
<div class="box box-primary">
<div class="box-header with-border">
<h3 class="box-title"> </h3>
</div>
<!-- /.box-header -->
<!-- form start -->
<div id="summernote">
</div>
<form role="form" th:object="${shareContactInfo}" method="post">
<script>
$(document).ready(function () {
$('#summernote').summernote();
});
</script>
<div class="form-group">
<button type="submit" class="box-title btn btn-primary" title="Save
Data">Save</button>
</div>
</form>
</div>
</div>
这将返回NaN