JSFiddle - React, Tailwind, and code Playground

JavaScript

var str_date = "1983-24-12",
    arr_date = str_date.split('-'),
    months   = ['', 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];

alert(months[arr_date[2]] + ' ' + arr_date[1] + ', ' + arr_date[0]);