increment num
by avgustre
HTML
<script src="https://www.jqueryscript.net/demo/Number-Increment-Animations-with-jQuery-spincrement/jquery.spincrement.js"></script>
<div class="price">0</div>
JavaScript
//проверка достижения низа блока2
function Block3InVision() {
var $block2 = $('.section_3');
var windowBottom = $(window).scrollTop() + $(window).height();
var block2Bottom = $block2.offset().top + $('.section_3').height();
return windowBottom >= block2Bottom;
}
//if (!Block3InVision()) {
var numb_start1 = 2019;
$({numberValue: numb_start1}).animate({numberValue: 1997}, {
duration: 3000, // 3000 миллисекунд
easing: "linear",
step: function(val) {
$(".price").html(Math.ceil(val));
}
});
//}