JSFiddle - React, Tailwind, and code Playground
by Ironim Morar
JavaScript
var objDate = new Date("01/12/2018"),
locale = "en-us",
month = objDate.toLocaleString(locale, { month: "long" });
prevMonth = objDate.getMonth()-1;
prevMonth = prevMonth.toLocaleString(locale, { month: "long" });
console.log(objDate.getMonth()+1);
// console.log(month);
// or if you want the shorter date: (also possible to use "narrow" for "O"
// console.log(objDate.toLocaleString(locale, { month: "short" }));