JSFiddle - React, Tailwind, and code Playground

HTML

<input type="radio" name="Area" value="Engineering" id="EngineeringCheck" onclick="window.ShowContentEngineering();" />Engineering

<h5 name="EngineeringAreas" value="luls"> WHAT THE HECK </h5>

JavaScript

window.ShowContentEngineering = function() {
    alert(document.getElementsByName('EngineeringAreas')[0].innerHTML)
    document.getElementById('InformationBlock').style.display = 'block';
}