45 lines
1.7 KiB
JavaScript
Executable File
45 lines
1.7 KiB
JavaScript
Executable File
$(document).ready(function(){
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var selector = $('.count');
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var replay = 'replay'
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function isScrolledIntoView(el) {
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var docViewTop = $(window).scrollTop();
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var docViewBottom = docViewTop + $(window).height();
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var elTop = el.offset().top;
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var elBottom = elTop + el.height();
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return ((elBottom <= docViewBottom) && (elTop >= docViewTop));
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}
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function animate_numbers(element) {
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if (isScrolledIntoView(element)) {
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element.addClass('started').css('visibility','visible')
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var startnum = element.text();
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if(element.text() % 1 === 0 && $.isNumeric(element.text())) {
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var step = function () { element.text(Math.ceil(this.Counter)); }
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} else if(element.text() % 1 !== 0 && $.isNumeric(element.text())) {
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var step = function () { element.text(this.Counter.toFixed(2)); }
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}
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jQuery({ Counter: 0 }).animate({ Counter: element.text() }, {
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duration : 2000,
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complete: function() { element.text($.trim(startnum)).addClass('finished').removeClass('started'); },
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step: step
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});
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}
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}
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selector.each(function () {
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/*$(this).css('visibility','hidden');*/ /* This sometimes causes numbers to not display at all.*/
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animate_numbers($(this));
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});
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$(document).on("scroll", function () {
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selector.not('.finished, .started').each(function () {
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animate_numbers($(this));
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});
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selector.each(function () {
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if(!isScrolledIntoView($(this)) && $(this).hasClass(replay)) {
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$(this).removeClass('finished');
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}
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});
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});
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}); |