JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.thimbleopensource.com/download/jquery/jquery.filter_input.js"></script>
<form>
    <p>Enter date</p>
        <input type="text" id="test1"/>
   
</form>

JavaScript

$(document).ready(function(){
    $('#test1').blur(function(){
     var validTime = $(this).val().match(/^[0,1]?\d\/(([0-2]?\d)|([3][01]))\/((199\d)|([2-9]\d{3}))\s[0-2]?[0-9]:[0-5][0-9]?$/);
        debugger;
        if (!validTime) {
            $(this).val('').focus().css('background', '#fdd');
        } else {
            $(this).css('background', 'transparent');
        }
    });
});