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javascript - 将 PHP 变量添加到 new Date()

问题描述

我想将包含日期的 php 变量添加到此代码中： new Date($mydate) 如果无法使用我的 php 变量，如何将我自己的日期添加到此代码中。我的日期来自 SQL 数据库，然后显示在 php 变量中。

var countDownDate = new Date("august 8, 2020 15:37:25").getTime();

标签： javascriptphp

解决方案

为了将PHP变量作为参数传递给JavaScript对象：

<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
p {
  text-align: center;
  font-size: 60px;
  margin-top: 0px;
}
</style>
</head>
<body>

<p id="demo"></p>
<?php $date = "07/08/2020"; ?>
<script>
// Set the date we're counting down to
var countDownDate = new Date("<?php echo $date; ?>").getTime();

// Update the count down every 1 second
var x = setInterval(function() {

  // Get today's date and time
  var now = new Date().getTime();
    
  // Find the distance between now and the count down date
  var distance = countDownDate - now;
    
  // Time calculations for days, hours, minutes and seconds
  var days = Math.floor(distance / (1000 * 60 * 60 * 24));
  var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
  var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
  var seconds = Math.floor((distance % (1000 * 60)) / 1000);
    
  // Output the result in an element with id="demo"
  document.getElementById("demo").innerHTML = days + "d " + hours + "h "
  + minutes + "m " + seconds + "s ";
    
  // If the count down is over, write some text 
  if (distance < 0) {
    clearInterval(x);
    document.getElementById("demo").innerHTML = "EXPIRED";
  }
}, 1000);
</script>

</body>
</html>

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