JSFiddle - React, Tailwind, and code Playground
HTML
<label for="user_name">
<abbr title="required">*</abbr>
Name
</label>
JavaScript
$('label').contents().last()[0].textContent='Title';
<label for="user_name">
<abbr title="required">*</abbr>
Name
</label>
$('label').contents().last()[0].textContent='Title';