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HTML

              
                <body>
    <div class="elegant-calencar">
       <p id="reset">reset</p>
        <div id="header" class="clearfix">
           <div class="pre-button"><</div>
            <div class="head-info">
                <div class="head-day"></div>
                <div class="head-month"></div>
            </div>
            <div class="next-button">></div>
        </div>
        <table id="calendar">
            <thead>
                <tr>
                    <th>Sun</th>
                    <th>Mon</th>
                    <th>Tue</th>
                    <th>Wed</th>
                    <th>Thu</th>
                    <th>Fri</th>
                    <th>Sat</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                </tr>
                <tr>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                </tr>
                <tr>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                </tr>
                <tr>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                </tr>
                <tr>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                </tr>
                <tr>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                </tr>
            </tbody>
        </table>
    </div>
</body>
              
            
!

CSS

              
                /**
 * Eric Meyer's Reset CSS v2.0+ (https://meyerweb.com/eric/tools/css/reset/)
 * http://cssreset.com
 */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	vertical-align: baseline;
}
body {
    font-size: 100%;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1.5;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-spacing: 2px;
}
.clearfix:before,
.clearfix:after {
    content: " "; /* 1 */
    display: table; /* 2 */
}

.clearfix:after {
    clear: both;
}
/**
 * For IE 6/7 only
 * Include this rule to trigger hasLayout and contain floats.
 */
.clearfix {
    *zoom: 1;
}
a, a:hover {
    text-decoration: none;
}
.img-responsive {
    max-width: 100%;
    height: auto;
}

body{
    font-family: Arial, Helvetica, sans-serif;
     -webkit-user-select: none;
     -moz-user-select: none;
     -ms-user-select: none;
     user-select: none;
}

.elegant-calencar {
    width: 25em;
    height: 31em;
    border: 1px solid #c9c9c9;
    -webkit-box-shadow: 0 0 5px #c9c9c9;
    box-shadow: 0 0 5px #c9c9c9;
    text-align: center;
    margin: 4em auto;
    position: relative;
}

#header {
    font-family: 'HelveticaNeue-UltraLight', 'Helvetica Neue UltraLight', 'Helvetica Neue', Arial, Helvetica, sans-serif;
    height: 14em;
    background-color: #2a3246;
    margin-bottom: 1em;
}

.pre-button, .next-button {
    margin-top: 2em;
    font-size: 3em;
    -webkit-transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
    cursor: pointer;
    width: 1em;
    height: 1em;
    line-height: 1em;
    color: #e66b6b;
    border-radius: 50%;
}

.pre-button:hover, .next-button:hover {
    -webkit-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    transform: rotate(360deg);
}

.pre-button:active,.next-button:active{
    -webkit-transform: scale(0.7);
    -ms-transform: scale(0.7);
    transform: scale(0.7);
}

.pre-button {
    float: left;
    margin-left: 0.5em;
}

.next-button {
    float: right;
    margin-right: 0.5em;
}

.head-info {
    float: left;
    width: 16em;
}

.head-day {
    margin-top: 30px;
    font-size: 8em;
    line-height: 1;
    color: #fff;
}

.head-month {
    margin-top: 20px;
    font-size: 2em;
    line-height: 1;
    color: #fff;
}

#calendar {
    width: 90%;
    margin: 0 auto;
}

#calendar tr {
    height: 2em;
    line-height: 2em;
}

thead tr {
    color: #e66b6b;
	font-weight: 700;
	text-transform: uppercase;
}

tbody tr {
    color: #252a25;
}

tbody td{
    width: 14%;
    border-radius: 50%;
    cursor: pointer;
    -webkit-transition:all 0.2s ease-in;
    transition:all 0.2s ease-in;
}

tbody td:hover, .selected {
    color: #fff;
    background-color: #2a3246;
    border: none;
}

tbody td:active {
    -webkit-transform: scale(0.7);
    -ms-transform: scale(0.7);
    transform: scale(0.7);
}

#today {
    background-color: #e66b6b;
    color: #fff;
    font-family: serif;
    border-radius: 50%;
}

#disabled {
    cursor: default;
    background: #fff;
}

#disabled:hover {
    background: #fff;
    color: #c9c9c9;
}

#reset {
    display: block;
    position: absolute;
    right: 0.5em;
    top: 0.5em;
    z-index: 999;
    color: #fff;
    font-family: serif;
    cursor: pointer;
    padding: 0 0.5em;
    height: 1.5em;
    border: 0.1em solid #fff;
    border-radius: 4px;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

#reset:hover {
    color: #e66b6b;
    border-color: #e66b6b;
}

#reset:active{
    -webkit-transform: scale(0.8);
    -ms-transform: scale(0.8);
    transform: scale(0.8);     
}

              
            
!

JS

              
                document.addEventListener('DOMContentLoaded', function(){
    var today = new Date(),
        year = today.getFullYear(),
        month = today.getMonth(),
        monthTag =["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"],
        day = today.getDate(),
        days = document.getElementsByTagName('td'),
        selectedDay,
        setDate,
        daysLen = days.length;
// options should like '2014-01-01'
    function Calendar(selector, options) {
        this.options = options;
        this.draw();
    }
    
    Calendar.prototype.draw  = function() {
        this.getCookie('selected_day');
        this.getOptions();
        this.drawDays();
        var that = this,
            reset = document.getElementById('reset'),
            pre = document.getElementsByClassName('pre-button'),
            next = document.getElementsByClassName('next-button');
            
            pre[0].addEventListener('click', function(){that.preMonth(); });
            next[0].addEventListener('click', function(){that.nextMonth(); });
            reset.addEventListener('click', function(){that.reset(); });
        while(daysLen--) {
            days[daysLen].addEventListener('click', function(){that.clickDay(this); });
        }
    };
    
    Calendar.prototype.drawHeader = function(e) {
        var headDay = document.getElementsByClassName('head-day'),
            headMonth = document.getElementsByClassName('head-month');

            e?headDay[0].innerHTML = e : headDay[0].innerHTML = day;
            headMonth[0].innerHTML = monthTag[month] +" - " + year;        
     };
    
    Calendar.prototype.drawDays = function() {
        var startDay = new Date(year, month, 1).getDay(),
//      下面表示这个月总共有几天
            nDays = new Date(year, month + 1, 0).getDate(),
    
            n = startDay;
//      清除原来的样式和日期
        for(var k = 0; k <42; k++) {
            days[k].innerHTML = '';
            days[k].id = '';
            days[k].className = '';
        }

        for(var i  = 1; i <= nDays ; i++) {
            days[n].innerHTML = i; 
            n++;
        }
        
        for(var j = 0; j < 42; j++) {
            if(days[j].innerHTML === ""){
                
                days[j].id = "disabled";
                
            }else if(j === day + startDay - 1){
                if((this.options && (month === setDate.getMonth()) && (year === setDate.getFullYear())) || (!this.options && (month === today.getMonth())&&(year===today.getFullYear()))){
                    this.drawHeader(day);
                    days[j].id = "today";
                }
            }
            if(selectedDay){
                if((j === selectedDay.getDate() + startDay - 1)&&(month === selectedDay.getMonth())&&(year === selectedDay.getFullYear())){
                days[j].className = "selected";
                this.drawHeader(selectedDay.getDate());
                }
            }
        }
    };
    
    Calendar.prototype.clickDay = function(o) {
        var selected = document.getElementsByClassName("selected"),
            len = selected.length;
        if(len !== 0){
            selected[0].className = "";
        }
        o.className = "selected";
        selectedDay = new Date(year, month, o.innerHTML);
        this.drawHeader(o.innerHTML);
        this.setCookie('selected_day', 1);
        
    };
    
    Calendar.prototype.preMonth = function() {
        if(month < 1){ 
            month = 11;
            year = year - 1; 
        }else{
            month = month - 1;
        }
        this.drawHeader(1);
        this.drawDays();
    };
    
    Calendar.prototype.nextMonth = function() {
        if(month >= 11){
            month = 0;
            year =  year + 1; 
        }else{
            month = month + 1;
        }
        this.drawHeader(1);
        this.drawDays();
    };
    
    Calendar.prototype.getOptions = function() {
        if(this.options){
            var sets = this.options.split('-');
                setDate = new Date(sets[0], sets[1]-1, sets[2]);
                day = setDate.getDate();
                year = setDate.getFullYear();
                month = setDate.getMonth();
        }
    };
    
     Calendar.prototype.reset = function() {
         month = today.getMonth();
         year = today.getFullYear();
         day = today.getDate();
         this.options = undefined;
         this.drawDays();
     };
    
    Calendar.prototype.setCookie = function(name, expiredays){
        if(expiredays) {
            var date = new Date();
            date.setTime(date.getTime() + (expiredays*24*60*60*1000));
            var expires = "; expires=" +date.toGMTString();
        }else{
            var expires = "";
        }
        document.cookie = name + "=" + selectedDay + expires + "; path=/";
    };
    
    Calendar.prototype.getCookie = function(name) {
        if(document.cookie.length){
            var arrCookie  = document.cookie.split(';'),
                nameEQ = name + "=";
            for(var i = 0, cLen = arrCookie.length; i < cLen; i++) {
                var c = arrCookie[i];
                while (c.charAt(0)==' ') {
                    c = c.substring(1,c.length);
                    
                }
                if (c.indexOf(nameEQ) === 0) {
                    selectedDay =  new Date(c.substring(nameEQ.length, c.length));
                }
            }
        }
    };
    var calendar = new Calendar();
    
        
}, false);
              
            
!
999px

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