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script.js
31 lines (25 loc) · 931 Bytes
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script.js
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//Función para mostrar u ocultar el menú
function mostrarMenu() {
var menu = document.getElementById("menu");
if (menu.className === "menu") {
menu.className += " activo";
} else {
menu.className = "menu";
}
}
//Función IR HACIA ARRIBA
var mybutton = document.getElementById("myBtn");
// When the user scrolls down 20px from the top of the document, show the button
window.onscroll = function () { scrollFunction() };
function scrollFunction() {
if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
mybutton.style.display = "block";
} else {
mybutton.style.display = "none";
}
}
// When the user clicks on the button, scroll to the top of the document
function topFunction() {
document.body.scrollTop = 0; // For Safari
document.documentElement.scrollTop = 0; // For Chrome, Firefox, IE and Opera
}