JSFiddle - React, Tailwind, and code Playground

by Eugen Sunic

HTML

<table id="tab" border='1' style='width:100%'>
        <tr ><td>'hi'</td><td><input type='checkbox' id='1'/></td></tr>
        <tr><td>'hi'</td><td><input type='checkbox' id='2' /></td></tr>
        <tr ><td>'hi'</td><td><input type='checkbox'id='3' /></td></tr>
        <tr ><td>'hi'</td><td><input type='checkbox'id='4' /></td></tr>
</table>

JavaScript

var checkedCheckboxes = Array.from(document.querySelectorAll('input[type=checkbox]')).filter(checkbox=> checkbox.checked)
console.log(checkedCheckboxes)