self.addEventListener(
"fetch",
function (event) {
if (event.request.url.includes(
"index.html")) {
event.respondWith(fetch(
"realindex.html"));
}
else if (event.request.url.includes(
"image-20px.png")) {
if (event.request.url.indexOf(
"https://") == 0) {
event.respondWith(fetch(
"image-40px.png"));
}
else {
event.respondWith(Response.error());
}
}
});
