Day Of Week Challenge

by Andrew Poes

CSS

.print {
    position: relative;
    display: inline-block;
    background-color: black;
    color: white;
    font-family: Helvetica, Helvetica-Neue, sans-serif;
    font-weight: bold;
    font-size: 24px;
    letter-spacing: -1.5px;
    padding: 4px 8px;
}

body {
    background-color: #eeeeee;
}
}

JavaScript

$(document).ready(function() {
	var cur = new Date(2015, 9, 22)
    var tar = new Date(2015, 11, 10)
    var days = daysBetween(cur, tar)
    var cDow = cur.getDate() % 7
    var tDow = days % 7
    print(days, cDow, cDow + (tDow - cDow))
})

function daysBetween(cur, tar) {
    var dYear = tar.getFullYear() - cur.getFullYear()
    var dMon = dYear * 12 + (tar.getMonth() - cur.getMonth())
    var dDay = -cur.getDate()
    for (var m = cur.getMonth(); m < cur.getMonth() + dMon; ++m) {
        var days = daysInMonth(m, cur.getFullYear())
        dDay += + days
    }
    dDay += tar.getDate()
    return dDay
}

function daysInMonth(month,year) {
    return new Date(year, month, 0).getDate();
}

function print() {
    var args = Array.prototype.slice.apply(arguments)
    var str = ""
    for (arg of args) {
        str += arg + ", "
    }
    str = str.substring(0, str.length - 2)
    var el = newel(str)
    $("body").append(el)
    $("body").append("</br>")
}

function newel(str) {
    var el = document.createElement("div")
    $(el).html(str)
    $(el).addClass("print")
    return el
}