(window["webpackJsonp_name_"] = window["webpackJsonp_name_"] || []).push([[4],{

/***/ 73:
/***/ (function(module, exports, __webpack_require__) {

"use strict";


function IntersectionObserverFunction() {
    if ("IntersectionObserver" in window && "IntersectionObserverEntry" in window && "intersectionRatio" in window.IntersectionObserverEntry.prototype) {
        return function (elems, cb) {
            var itemObserver = new IntersectionObserver(function (entries, observer) {
                entries.forEach(function (entry) {
                    if (entry.isIntersecting) {
                        cb instanceof Function && cb(entry.target);
                        // entry.target.setAttribute("src", entry.target.getAttribute("data-src"));
                        // entry.target.classList.remove("lazy");
                        // imageObserver.unobserve(entry.target);
                    }
                });
            });
            Array.from(elems).forEach(function (item) {
                itemObserver.observe(item);
            });
        };
    } else {
        return function (elem) {
            console.log('Use default scroll event');
        };
    }
}

/***/ })

}]);