JSFiddle - React, Tailwind, and code Playground

HTML

<div class="form-group">
    <h2>Accomodation</h2>   
    <div class="form-group">
        <label>Name:</label>
        <input class="form-control myText" value="Test" readonly="true" />
    </div>
    <div class="form-group">
        <label>Email:</label>
        <input class="form-control myText"  value="Test" readonly="true"/>
    </div>
    <div class="form-group">
        <label>Email Copy:</label>
        <input class="form-control" value="Test" readonly="true"/>
    </div>
    <div class="form-group col-md-1">
            <label for="ct_estado">Estado</label>
            <select class="form-control inputBlocked" id="ct_estado" name="ct_estado" readonly="true">
                <option value="AC">AC</option>
                <option value="AL">AL</option>
                <option value="AP">AP</option>
                <option value="AM">AM</option>
                <option value="BA">BA</option>
                <option value="CE">CE</option>
                <option value="DF">DF</option>
                <option value="ES">ES</option>
                <option value="GO">GO</option>
                <option value="MA">MA</option>
                <option value="MT">MT</option>
                <option value="MS">MS</option>
                <option value="MG">MG</option>
                <option value="PA">PA</option>
                <option value="PB">PB</option>
                <option value="PR">PR</option>
                <option value="PE">PE</option>
                <option value="PI">PI</option>
                <option value="RJ">RJ</option>
                <option value="RN">RN</option>
                <option value="RS">RS</option>
                <option value="RO">RO</option>
                <option value="RR">RR</option>
                <option value="SC">SC</option>
                <option value="SP">SP</option>
                <option value="SE">SE</option>
                <option value="TO">TO</option>
            </select>
        </div>
</div>
<button...

JavaScript

$('#btnHabilitar').click(function(){
	$('input').prop('readonly', false);
});