JSFiddle - React, Tailwind, and code Playground

by WoJWoJ

HTML

<input type="checkbox" id="cb">

JavaScript

/*
// this version works
$("#cb").change(function () {
        if ($("#cb").prop('checked'))
        {
            alert('checked');
        } else {
            alert('unchecked')
        }
    });
*/

// this version does not work
$("#cb").change(alertme());

function alertme () {
        if ($("#cb").prop('checked'))
        {
            alert('checked');
        } else {
            alert('unchecked')
        }
    }