JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox">

JavaScript

$(function(){
    var test = localStorage.input === 'true'? true: false;
    $('input').prop('checked', test || false);
});

$('input').on('change', function() {
    localStorage.input = $(this).is(':checked');
    console.log($(this).is(':checked'));
});