Glosario básico Javascript

<!-- Google Tag Manager (noscript) --><noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-P966R2X"
height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript><!-- End Google Tag Manager (noscript) --><link href="https://fonts.googleapis.com/icon?family=Material+Icons"el="stylesheet"><link rel="preconnect" href="https://fonts.gstatic.com"><link href="https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap" rel="stylesheet"><script> $(document).ready(function () { if (!isMobile()) { $(window).scroll(function () { var scroll = $(window).scrollTop(); if (scroll >= 30) { $(".header").addClass("bgDown"); $(".divInterMenu1").addClass("bgDownText"); $(".logo_nwgroup").html("<a href='/' title='Grupo NW'><img title='Grupo nw' alt='logotipo' src='/imagenes/img-logo-color-nw.png' height='41' width='160'></a>"); } else { $(".header").removeClass("bgDown"); $(".divInterMenu1").removeClass("bgDownText"); $(".logo_nwgroup").html("<a href='/' title='Grupo NW'><img alt='logotipo' src='/imagenes/img-logo-blanco-nw.png' height='41' width='160'></a>"); } }); } });</script><script>setTimeout(function() {
var btn = document.createElement("div"); btn.className = "botton_uno"; btn.onclick = function() { window.open('https://api.whatsapp.com/send/?phone=17869344953&text=Estoy+interesad%40+en+saber+m%C3%A1s+de+GrupoNW&type=phone_number&app_absent=0', '_blank'); }; document.body.appendChild(btn); }, 1000);</script>