JSFiddle - React, Tailwind, and code Playground
by brigand
HTML
<form action="" id="example">
<input type="checkbox" name="first" id="" checked>
<input type="checkbox" name="second" id="" checked>
<input type="checkbox" name="third" id="" >
</form>
<pre id="out"></pre>
JavaScript
for (const item of new FormData(example)) {
out.textContent += JSON.stringify(item) + '\n';
}