/******/ (function() { // webpackBootstrap
/******/ "use strict";
var __webpack_exports__ = {};
function tabsChanger(evt, a) {
var i, tab_content, tab_links;
tab_content = document.getElementsByClassName("tab_content");
for (i = 0; i < tab_content.length; i++) {
tab_content[i].style.display = "none";
}
tab_links = document.getElementsByClassName("tabs_buttons");
for (i = 0; i < tab_links.length; i++) {
tab_links[i].className = tab_links[i].className.replace(" active", "");
}
document.getElementById(a).style.display = "block";
evt.currentTarget.className += " active";
}
/******/ })()
;
window.tabsChanger = function(evt, a) {
// ...
}
<div onclick="tabsChanger">
</div>
document.querySelector(...)?.addEventListener('change', function(evt){
})