JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox" id="chkHabilita"  /> Fin de Semana </br>
<input type="text" id="txtPrueba" />

JavaScript

$('#chkHabilita').click(function () {
var $this = $(this);
                // $this will contain a reference to the checkbox   
                if ($this.is(':checked')) {
                    $("#txtPrueba").val('hola');
                } else {
                    $("#txtPrueba").val('chao');
                }    
        
            });