vasanthv

function getRandom(arr, n) {
    var result = new Array(n),
        len = arr.length,
        taken = new Array(len);
    if (n > len)
        throw new RangeError("getRandom: more elements taken than available");
    while (n--) {
        var x = Math.floor(Math.random() * len);
        result[n] = arr[x in taken ? taken[x] : x];
        taken[x] = --len in taken ? taken[len] : len;

vasanthv

function timeAgo(time){
  var units = [
    { name: "second", limit: 60, in_seconds: 1 },
    { name: "minute", limit: 3600, in_seconds: 60 },
    { name: "hour", limit: 86400, in_seconds: 3600  },
    { name: "day", limit: 604800, in_seconds: 86400 },
    { name: "week", limit: 2629743, in_seconds: 604800  },
    { name: "month", limit: 31556926, in_seconds: 2629743 },
    { name: "year", limit: null, in_seconds: 31556926 }
  ];

vasanthv

var date = new Date();

var months = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ];
console.log("The current month is " + months[date.getMonth()]);

vasanthv

/*
  This function changes the datestring to the following format
  Jan 29 2018 - 09:51 AM
*/
function formatDate(dateString){
    const date = new Date(dateString);
    const hours = date.getHours() > 12 ? date.getHours() - 12 : date.getHours();
    return [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ][date.getMonth()] + ' '
        + (date.getDate() < 10 ? '0' + date.getDate() : date.getDate()) + ' '
        + date.getFullYear() + ' - '