SvSven

import { useState, useEffect } from "react";
import Router from "next/router";

const Layout = props => {
  const [isLoading, setIsLoading] = useState(false);

  useEffect(() => {
    const updateLoadingStatus = () => setIsLoading(!isLoading);

    Router.events.on("routeChangeStart", updateLoadingStatus);

SvSven

let links = document.querySelectorAll('#footer a');
const substr_href = "mailto:";
const substr_tel = "tel:";

for(let i = 0; i < links.length; i++) {

    let link = links[i];

    if(link.href.indexOf(substr_href) !== -1 || link.href.indexOf(substr_tel !== -1)) {
        link.addEventListener('click', function() {

SvSven

var btns = document.querySelectorAll('.btn');

for(var i = 0; i < btns.length; i++) {
    btns[i].addEventListener('click', function() {
        // Do stuff
    });
}

SvSven

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100vh;

    width: 100%;
    margin: 0;

SvSven

dataLayer.push({
    'Dimension1': 'Value1', // Custom dimensions
    'Dimension2': 'Value2', 
    'ecommerce': { // Google Analytics Enhanced Ecommerce object
        'purchase': {
            'actionField': {
                'id': 'XYZ123', // Transaction ID
                'revenue': '30.00', // Total purchase revenue
                'tax': '2.00'
            },

SvSven

$(".nav-link").click(function(){
    var el = $(this).attr("href");

    $("html, body").animate({
        scrollTop: $(el).offset().top
    }, 700);

    return false;
});

SvSven

function getCookie(name) {
    const cookie = document.cookie.match(new RegExp(name + '=([^;]+)'));    
    return (cookie != null) ? cookie[1] : null;
}    

SvSven

// Returns an object with all URL parameters, or error message if none are found
function getURLParams() {
    if(!window.location.search) { return "No URL parameters found."; }

    var paramsArr = window.location.search.substr(1).split("&"),
        params = {};

    paramsArr.forEach(function(e) {
        var a = e.split("=");
        params[a[0]] = a[1];