Use optional url parameter for playground about x_ite HOT 13 CLOSED

const url = new URL (document .location .href) .searchParams .get ("url");
if (url .toLowerCase() .endsWith (".x3d")) {
        editor .setValue ("Starting to fetch " + url);
        fetch (url)
        .then ( (r) => r .ok ? r .text () : "<!--Response was not ok trying to fetch url.-->\n" + box)
        .then ( (t) => editor .setValue (t))
        .catch ( () => editor .setValue ("failed loading"));
}
else {editor . setValue (box .replace(/ {3}/g, "  "));}

const url = new URL(document.location.href).search.match(/^\?url=(.*)/);

if (url) {
    try {
        const response = await fetch(url[1]) //first capture group
          , text = response.ok ? await response.text() : "Response was not ok trying to fetch url: " + url[1];

        editor.setValue(text);
    } catch (error) {
        editor.setValue(error.message);
    }
} else {
    editor.setValue(box.replace(/ {3}/g, "  "));
}

const url = decodeURIComponent (new URL (document .location .href) .searchParams .get ("url"));
...

const url = decodeURIComponent (new URL (encodeURIComponent(document .location .href)) .searchParams .get ("url"));

const url = new URL(document.location.href);

if (url.searchParams.get("url")) {

  const dummyURL = new URL( 'http://dummy/' + encodeURIComponent (url.search.slice ( 5 ) )); //?url= exists but may not be first
  const realUrl = decodeURIComponent ( dummyURL.pathname.slice ( 1 ));
...

if (url.searchParams.get("url")) {

    const realUrl = url.search.slice ( 5 );
    ....