Improved scroll performance

2020-07-21 16:21:58 +02:00
parent 6f965ce6c3
commit dac40e8d61
2 changed files with 3 additions and 2 deletions
--- a/src/core.js
+++ b/src/core.js
@ -99,10 +99,11 @@ document.addEventListener('DOMContentLoaded', () => {
    function addEventScroll() {
        let eventScrollDown = 'i-scroll-down';
        let eventScrollUp = 'i-scroll-up';
+        let elements = [...document.querySelectorAll(`[${eventScrollDown}]`)];
        window.addEventListener("scroll", () => {
            let posScroll = window.pageYOffset || document.documentElement.scrollTop;
            // Scroll down
-            [...document.querySelectorAll(`[${eventScrollDown}]`)].forEach((element) => {
+            elements.forEach((element) => {
                if (posScroll > lastScrollTop) {
                    let params = splitParams(element, eventScrollDown);
                    switch(params.functionParent) {