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jquery.countdown.js
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jquery.countdown.js
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// CountDown Clock
// Version : 1.0.2
// Developer : Ekrem KAYA
// Website : https://e-piksel.com
// GitHub : https://github.com/epiksel/countdown
(function ($) {
$.fn.countdown = function (options, callback) {
var settings = $.extend({
date: null,
offset: null,
day: 'Day',
days: 'Days',
hour: 'Hour',
hours: 'Hours',
minute: 'Minute',
minutes: 'Minutes',
second: 'Second',
seconds: 'Seconds',
hideOnComplete: false
}, options);
// Throw error if date is not set
if (!settings.date) {
$.error('Date is not defined.');
}
// Throw error if date is set incorectly
if (!Date.parse(settings.date)) {
$.error('Incorrect date format, it should look like this, 12/24/2012 12:00:00.');
}
// Save container
var container = this;
/**
* Change client's local date to match offset timezone
* @return {Object} Fixed Date object.
*/
var currentDate = function () {
// get client's current date
var date = new Date();
// turn date to utc
var utc = date.getTime() + (date.getTimezoneOffset() * 60000);
// set new Date object
var new_date = new Date(utc + (3600000*settings.offset));
return new_date;
};
/**
* Main countdown function that calculates everything
*/
function countdown() {
var target_date = new Date(settings.date), // set target date
current_date = currentDate(); // get fixed current date
// difference of dates
var difference = target_date - current_date;
// if difference is negative than it's pass the target date
if (difference < 0) {
// stop timer
clearInterval(interval);
if (settings.hideOnComplete) {
$(container).hide();
}
if (callback && typeof callback === 'function') {
callback(container);
}
return;
}
// basic math variables
var _second = 1000,
_minute = _second * 60,
_hour = _minute * 60,
_day = _hour * 24;
// calculate dates
var days = Math.floor(difference / _day),
hours = Math.floor((difference % _day) / _hour),
minutes = Math.floor((difference % _hour) / _minute),
seconds = Math.floor((difference % _minute) / _second);
// based on the date change the refrence wording
var text_days = (days === 1) ? settings.day : settings.days,
text_hours = (hours === 1) ? settings.hour : settings.hours,
text_minutes = (minutes === 1) ? settings.minute : settings.minutes,
text_seconds = (seconds === 1) ? settings.second : settings.seconds;
// fix dates so that it will show two digets
days = (String(days).length >= 2) ? days : '0' + days;
hours = (String(hours).length >= 2) ? hours : '0' + hours;
minutes = (String(minutes).length >= 2) ? minutes : '0' + minutes;
seconds = (String(seconds).length >= 2) ? seconds : '0' + seconds;
// set to DOM
container.find('.days').text(days);
container.find('.hours').text(hours);
container.find('.minutes').text(minutes);
container.find('.seconds').text(seconds);
container.find('.days_text').text(text_days);
container.find('.hours_text').text(text_hours);
container.find('.minutes_text').text(text_minutes);
container.find('.seconds_text').text(text_seconds);
}
// start
var interval = setInterval(countdown, 1000);
};
})(jQuery);