JSFiddle - React, Tailwind, and code Playground

JavaScript

var allMonths = ['Jan','Feb','Mar', "Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];

var month = [ "May","Jun","Oct","Nov","Dec","Jul","Aug","Sep","Apr"];

month.sort(function(a,b){
    return allMonths.indexOf(a) > allMonths.indexOf(b);
})
console.log(month)