jQuery addClass example
Change class name on click in jQuery
HTML
<table class="table-1">
<tr class="row-1">
<td><span class="name">Test</span></td>
<td><button>Get</button></td>
</tr>
<tr class="row-999">
<td><span class="name">Test 999</span></td>
<td><button>Get</button></td>
</tr>
<table>
JavaScript
$('.table-1').on('click', 'button', (e) => {
const text = $(e.target).closest('tr').find('span.name').text();
console.log(text);
});