formatted-date.js

var date = new Date()
var j = date.getDate()
var suf = ['th', 'st', 'nd', 'rd']
var v = j
var S = (suf[(v-20) % 10] || suf[v] || suf[0])
var months = ['January','February','March','April','May','June','July','August','September','October','November','December']
var F = months[date.getMonth()]
var Y = date.getFullYear()

var formatted_date = (F + ' ' + j+S + ', ' + Y)

formatted-date.php

date('F jS, Y');