JSFiddle - React, Tailwind, and code Playground
HTML
<table>
<tr class="ligne">
<td>one</td>
</tr>
<tr class="ligne">
<td>two</td>
</tr>
<tr class="ligne">
<td>three</td>
</tr>
<tr class="ligne">
<td>four</td>
</tr>
</table>
<input id="btn-timeout" type="submit" value="timeout!"/>
CSS
td{
border:1px solid black;
padding:20px;
margin:10px;}
input{
margin-top:20px;}
JavaScript
$("#btn-timeout").click(function() {
window.setTimeout(function () {
$(".ligne").css("background","blue");
}, 1000);
});