TypeScript converte em javascript
$('.progress').each(function (_, progress) {
var steps = $('> div.right > div', progress);
steps.each(function (i, el) { return $(el).mouseenter(function (e) { return onHover(el); }); });
var onHover = function (el) {
steps.removeClass(['current', 'prev']);
el.classList.add('current');
$(el).prevAll().slice(1).addClass('prev');
};
});
Adorable Anteater