JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>

<div id="container" style="min-width: 310px; height: 400px; margin: 0 auto"></div>

<button id="changeTitle">Change x-axis title</button>

JavaScript

$(function () {
    $('#container').highcharts({
        yAxis: {
            title: {
                text: "Apples"
            }
        },
        series: [{
            data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3]
        }]
    });
    
    $('#changeTitle').click(function() {
        $('#container').highcharts().yAxis[0].setTitle({ text: "Bananas" });
    });
});