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main.js
File metadata and controls
59 lines (51 loc) · 1.76 KB
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document.addEventListener("DOMContentLoaded", function () {
var paperMediaToggles = document.querySelectorAll(".paper-media");
function setPaperMediaState(media, isActive) {
media.classList.toggle("is-active", isActive);
media.setAttribute("aria-pressed", String(isActive));
}
function closeOtherPaperMedia(activeMedia) {
paperMediaToggles.forEach(function (media) {
if (media !== activeMedia) {
setPaperMediaState(media, false);
}
});
}
paperMediaToggles.forEach(function (media) {
media.addEventListener("click", function () {
var nextState = !media.classList.contains("is-active");
closeOtherPaperMedia(media);
setPaperMediaState(media, nextState);
});
media.addEventListener("keydown", function (event) {
if (event.key === "Enter" || event.key === " ") {
event.preventDefault();
var nextState = !media.classList.contains("is-active");
closeOtherPaperMedia(media);
setPaperMediaState(media, nextState);
}
if (event.key === "Escape") {
setPaperMediaState(media, false);
media.blur();
}
});
});
document.addEventListener("click", function (event) {
paperMediaToggles.forEach(function (media) {
if (!media.contains(event.target)) {
setPaperMediaState(media, false);
}
});
});
document.addEventListener("focusin", function (event) {
paperMediaToggles.forEach(function (media) {
if (!media.contains(event.target)) {
setPaperMediaState(media, false);
}
});
});
var lastUpdated = new Date(document.lastModified);
var options = { year: "numeric", month: "short" };
document.getElementById("last-updated").textContent =
lastUpdated.toLocaleDateString("en-US", options);
});