JSFiddle - React, Tailwind, and code Playground

HTML

<div id="tableinfoetape2">
    <input type="checkbox" name="ue1" id="textinput1" value="" />
<input type="checkbox" name="ue1" id="textinput2" value="" />
<input type="checkbox" name="ue1" id="textinput3" value="" />
<input type="checkbox" name="ue1" id="textinput4" value="" />
</div>
<input type="button" id="bar" value='test' />

JavaScript

$(function(){
$('#bar').on('click',foo);
})
function foo(){
    $('#tableinfoetape2 input:checked').each( function(){
                console.log(    $(this).attr('id'))
		});
};