JSFiddle - React, Tailwind, and code Playground

JavaScript

function formatarData(data) {
        var d = new Date(data),
            mes = '' + (d.getMonth() + 1),
            dia = '' + d.getDate(),
            ano = d.getFullYear();

        if (mes.length < 2) mes = '0' + mes;
        if (dia.length < 2) dia = '0' + dia;

        return [dia, mes, ano].join('/');
    }


    alert(formatarData('Tue Jun 23,2015'));