JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox" value="football" name="football" checked>Football</label>
<label>
    <input type="checkbox" value="baseball" name="baseball" checked>Baseball</label>

JavaScript

var test = $("input:checked").map(function () {
    var obj = {};
    obj[$(this).attr('name')] = this.value;
    return obj;

}).get();

console.log(test)