JSFiddle - React, Tailwind, and code Playground
HTML
<input id="click" type="button" value="click" />
<label id="test">Test</label>
JavaScript
$(document).ready(function () {
var textArray = [];
textArray[0] = 'test 1';
textArray[1] = 'test 2';
textArray[2] = 'test 3';
textArray[3] = 'test 4';
var idx = 0;
$('input#click').on('click', function(){
idx++;
var newidx = idx % textArray.length;
$('label#test').text(textArray[newidx]);
});
});