jQuery addClass example

Change class name on click in jQuery

by therichpost

HTML

<div id="banner-message">
  <p>Days Diffrence in two dates:</p>
  <span id="daysDiff"></span>
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#banner-message {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;
}

#daysDiff {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 15px;
  color: #fff;
}

JavaScript

var end           = new Date("2018-07-5");
var start         = new Date();
var diff          = new Date(start - end);
var days          = diff/1000/60/60/24;
var DailyDaysDiff = Math.round(days);
$("#daysDiff").text(DailyDaysDiff);
var mystr = $("#daysDiff").text();
mystr = mystr.replace(/[^0-9]/g, ''); // replace minues 
$("#daysDiff").text(mystr);