Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<select id="miSelect">
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="mercedes">Mercedes</option>
  <option value="audi">Audi</option>
</select>

<input type="text" id="miInput">

JavaScript

$("#miInput").hide()
    
    $("#miSelect").change(function(){
        //console.log($(this));        
        if($(this).val() == "volvo"){
            $("#miInput").show()       
        }            

    
    })

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JSFiddle - React, Tailwind, and code Playground

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JavaScript

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