JSFiddle - React, Tailwind, and code Playground

HTML

<select id="type" onChange="cambiaValor();" >
    <option value="1" selected="Fixed">Fixed</option>
    <option value="2" >cellular</option>
</select>
<select id="fixer">
    <option value="03" selected="03">03</option>
    <option value="04" >04</option>
    <option value="06" >06</option>
    <option value="07" >07</option>
    <option value="09" >09</option>    
</select>
<select id="celular"  >
    <option value="09" selected="">09</option>
    <option value="08" >08</option>
    <option value="07" >07</option>
    <option value="06" >06</option>
</select>
<label id="lblTest"/>

JavaScript

document.getElementById('celular').style="visibility:hidden";
function cambiaValor(){   
var el = document.getElementById('type');
    alert(el.value);
var text = el.value;
    if(text == 1){
        document.getElementById('fixer').style = "";
        document.getElementById('celular').style = "visibility:hidden";
    }else if(text == 2){
        document.getElementById('celular').style = "";
        document.getElementById('fixer').style = "visibility:hidden";
    }
    
}