JSFiddle - React, Tailwind, and code Playground

by nosfan1019

HTML

<input type='text'>

<p></p>
<span></span>

JavaScript

$('input').keyup(function() {
    var _val = $(this).val();
    $('p').text(_val);

    if (_val.indexOf('kk') != -1) {
        $('span').text('it worked');
        console.log('kkk');
    } else {
        $('span').text('');
    }

});