jquery and javascript date function

date.js

var monthNames = [
  "January",
  "February",
  "March",
  "April",
  "May",
  "June",
  "July",
  "August",
  "September",
  "October",
  "November",
  "December"
];
var dayNames = [
  "Sunday",
  "Monday",
  "Tuesday",
  "Wednesday",
  "Thursday",
  "Friday",
  "Saturday"
];

var newDate = new Date();
newDate.setDate(newDate.getDate());
$(".date").html(
  dayNames[newDate.getDay()] +
  ", " +
  newDate.getDate() +
  " " +
  monthNames[newDate.getMonth()] +
  ", " +
  newDate.getFullYear()
);

index.html

<div class="date"></date>