<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
<style>
.ff{
height: 3000px;
}
</style>
</head>
<body>
<div class="ff"></div>
<div class="counter">
<i class="fa fa-commenting-o fa-5x greencolor"></i>
<h1 class="timer count-number" data-to="1111" data-speed="2000"></h1>
<p class="count-text greencolor">Коментарии</p>
</div>
<div class="counter">
<i class="fa fa-picture-o fa-5x greencolor"></i>
<h1 class="timer count-number" data-to="444" data-speed="4000"></h1>
<p class="count-text greencolor">Фотографий</p>
</div>
<div class="counter">
<i class="fa fa-picture-o fa-5x greencolor"></i>
<h1 class="timer count-number" data-to="222" data-speed="4000"></h1>
<p class="count-text greencolor">Фотографий</p>
</div>
<div class="counter">
<i class="fa fa-picture-o fa-5x greencolor"></i>
<h1 class="timer count-number" data-to="666" data-speed="4000"></h1>
<p class="count-text greencolor">Фотографий</p>
</div>
<script>
(function ($) {
$.fn.countTo = function (options) {
options = options || {};
return $(this).each(function () {
// set options for current element
var settings = $.extend({}, $.fn.countTo.defaults, {
from: $(this).data('from'),
to: $(this).data('to'),
speed: $(this).data('speed'),
refreshInterval: $(this).data('refresh-interval'),
decimals: $(this).data('decimals')
}, options);
// how many times to update the value, and how much to increment the value on each update
var loops = Math.ceil(settings.speed / settings.refreshInterval),
increment = (settings.to - settings.from) / loops;
// references & variables that will change with each update
var self = this,
$self = $(this),
loopCount = 0,
value = settings.from,
data = $self.data('countTo') || {};
$self.data('countTo', data);
// if an existing interval can be found, clear it first
if (data.interval) {
clearInterval(data.interval);
}
data.interval = setInterval(updateTimer, settings.refreshInterval);
// initialize the element with the starting value
render(value);
function updateTimer() {
value += increment;
loopCount++;
render(value);
if (typeof(settings.onUpdate) == 'function') {
settings.onUpdate.call(self, value);
}
if (loopCount >= loops) {
// remove the interval
$self.removeData('countTo');
clearInterval(data.interval);
value = settings.to;
if (typeof(settings.onComplete) == 'function') {
settings.onComplete.call(self, value);
}
}
}
function render(value) {
var formattedValue = settings.formatter.call(self, value, settings);
$self.html(formattedValue);
}
});
};
$.fn.countTo.defaults = {
from: 0, // the number the element should start at
to: 0, // the number the element should end at
speed: 1000, // how long it should take to count between the target numbers
refreshInterval: 100, // how often the element should be updated
decimals: 0, // the number of decimal places to show
formatter: formatter, // handler for formatting the value before rendering
onUpdate: null, // callback method for every time the element is updated
onComplete: null // callback method for when the element finishes updating
};
function formatter(value, settings) {
return value.toFixed(settings.decimals);
}
}(jQuery));
jQuery(function ($) {
// custom formatting example
function count(options) {
var $this = options;
options = $.extend({}, options || {}, $this.data('countToOptions') || {});
$this.countTo(options);
}
function come(elem) {
var docViewTop = $(window).scrollTop(),
docViewBottom = docViewTop + $(window).height(),
elemTop = elem.offset().top,
elemBottom = elemTop + elem.height();
return ((elemBottom <= docViewBottom) && (elemTop >= docViewTop));
}
(fnx=function (){
$('.timer').each(function(){
if (come($(this)) && $(this).data('flag') != 0) {
count($(this));
$(this).data('flag', 0);
}
});
})();
onscroll = fnx;
});
</script>
</body>
</html>