JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" data-role="button" data-corners="false" data-inline="true" id="call"  class="" >call</a>
<div id="realTimeContents" class ="left realtimeContend_h" style="width:70%;"> 
                            </div>

CSS

#realTimeContents {
   overflow-y:auto;
  -webkit-overflow-scrolling: touch;
    height:50px
 
}

JavaScript

var d = new Date();
var n = d.toLocaleTimeString();
alert(n);