JSFiddle - React, Tailwind, and code Playground

HTML

<div class="formBody"><input name="form[config]" type="radio" value="Корпусный" id="config0" ><label for="config0">Корпусный</label><input name="form[config]" type="radio" value="Встроенный" id="config1"><label for="config1">Встроенный</label><span class="formValidation"><span id="component24" class="formNoError"></div>

JavaScript

document.getElementById('config0').setAttribute('data-uk-tooltip', 'placeholder value');