in slick/slick.js [1235:1251]
Slick.prototype.initDotEvents = function() {
var _ = this;
if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
$('li', _.$dots).on('click.slick', {
message: 'index'
}, _.changeSlide);
}
if (_.options.dots === true && _.options.pauseOnDotsHover === true && _.options.autoplay === true) {
$('li', _.$dots)
.on('mouseenter.slick', $.proxy(_.setPaused, _, true))
.on('mouseleave.slick', $.proxy(_.setPaused, _, false));
}
};