Created
October 20, 2014 14:55
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Countdown timer - http://jsfiddle.net/zznqaxpa/18/
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body { | |
background: #000; | |
} | |
.countdown { | |
background: #000; | |
color: #fff; | |
display: table; | |
margin: 0 auto; | |
text-align: center; | |
font-family: arial; | |
} | |
.countdown__section { | |
display: table-cell; | |
padding: 10px; | |
font-weight: bold; | |
} | |
.countdown__section[data-countdown__section--value]:before { | |
content: attr(data-countdown__section--value); | |
font-size: 55px; | |
display: block; | |
} | |
.countdown__section[data-countdown__section--value]:after { | |
content: attr(data-countdown__section--type); | |
font-size: 12px; | |
color: #888; | |
text-transform: uppercase; | |
} |
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<div class="countdown" data-countdown-options="{'endDate': 'Wed Nov 16 2014 14:17:44 GMT'}"> | |
<div class="countdown__section" data-countdown__section--type="days"></div> | |
<div class="countdown__section" data-countdown__section--type="hours"></div> | |
<div class="countdown__section" data-countdown__section--type="minutes"></div> | |
<div class="countdown__section" data-countdown__section--type="seconds"></div> | |
<noscript>Wed Nov 16 2014 14:17:44 GMT</noscript> | |
</div> |
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(function ($, window, document, undefined) { | |
var countDown = function (elem, options) { | |
this.elem = elem; | |
this.$elem = $(elem); | |
this.domElements = { | |
$dateSection: this.$elem.find('.countdown__section') | |
}; | |
this.dateCalculations = { | |
currentDate: (new Date).getTime(), | |
second: 1E3, | |
minute: 1E3 * 60, | |
hour: 1E3 * 60 * 60, | |
day: 1E3 * 60 * 60 * 24 | |
}; | |
this.defaults = { | |
threshold: 2, | |
testPage: document.location, | |
maxDays: 730 /* 2 years default*/ | |
}; | |
this.options = options; | |
this.metadata = JSON.parse((this.$elem.data("countdown-options") || "{'':''}").replace(/'/g, '"')); | |
this.config = $.extend({}, this.defaults, this.options, this.metadata); | |
}; | |
countDown.prototype = { | |
init: function () { | |
var _this = this; | |
this.dateCalculations.endDate = (new Date(this.config.endDate)).getTime(); | |
this.getCurrentTime(function (time) { | |
_this.dateCalculations.startDate = (new Date(time)).getTime(); | |
_this.timer = setInterval(function () { | |
_this.showRemaining(); | |
}, _this.dateCalculations.second); | |
}); | |
}, | |
getCurrentTime: function (callback) { | |
var _this = this; | |
$.ajax({ | |
type: "GET", | |
url: _this.config.testPage, | |
success: function (data, textStatus, jqXHR) { | |
var serverTime = (new Date(jqXHR.getResponseHeader("date"))).getTime(), | |
timeDifference = serverTime - _this.dateCalculations.currentDate, | |
finalTime = timeDifference > _this.config.threshold ? new Date(serverTime + serverTime) : new Date(serverTime - timeDifference); | |
callback.call(this, finalTime); | |
} | |
}); | |
}, | |
showRemaining: function () { | |
var _this = this, | |
dateDifference = _this.dateCalculations.endDate - _this.dateCalculations.startDate, | |
current = { | |
days: Math.floor(dateDifference / _this.dateCalculations.day), | |
hours: Math.floor(dateDifference % _this.dateCalculations.day / _this.dateCalculations.hour), | |
minutes: Math.floor(dateDifference % _this.dateCalculations.hour / _this.dateCalculations.minute), | |
seconds: Math.floor(dateDifference % _this.dateCalculations.minute / _this.dateCalculations.second) | |
}, | |
dataValue; | |
if (current.days > this.config.maxDays) { | |
clearInterval(_this.timer); | |
return; | |
} | |
if (this.config.debug) { | |
console.debug('Start: ' + new Date(_this.dateCalculations.startDate)); | |
console.debug('End: ' + new Date(_this.dateCalculations.endDate)); | |
console.debug('Current Object: ' + current); | |
} | |
this.domElements.$dateSection.each(function (key, value) { | |
dataValue = $(this).data('countdown__section--type'), | |
val = current[dataValue] > 0 ? current[dataValue] : 0; | |
$(this).attr('data-countdown__section--value', val.toString().length == 1 ? '0' + val : val); | |
}); | |
if (dateDifference < 0) { | |
clearInterval(_this.timer); | |
return; | |
} | |
_this.dateCalculations.startDate = _this.dateCalculations.startDate + _this.dateCalculations.second; | |
} | |
}; | |
$.fn.countDown = function (options) { | |
return this.each(function () { | |
if (!$.data(this, "countDown")) { | |
$.data(this, "countDown", (new countDown(this, options)).init()); | |
} else { | |
return $.data(this, "countDown"); | |
} | |
}); | |
}; | |
window.countDown = countDown; | |
$(document).ready(function () { | |
$(".countdown").countDown(); | |
}); | |
})(jQuery, window, document); |
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