Css ninja

function parseProtocol(url) {
  const parsedURL = /^(\w+)\:\/\/([^\/]+)\/(.*)$/.exec(url);
  if (!parsedURL) {
    return false;
  }
  console.log(parsedURL);
  // ["https://developer.mozilla.org/en-US/docs/Web/JavaScript",
      "https", "developer.mozilla.org", "en-US/docs/Web/JavaScript"]

  const [, protocol, fullhost, fullpath] = parsedURL;
  return protocol;
}

console.log(parseProtocol('https://developer.mozilla.org/en-US/docs/Web/JavaScript'));
// "https"

Source: developer.mozilla.org

Similar codes

2 votes283 views1 answer
Table add margin between rows
CSS
1 vote233 views1 answer
Outside padding css
CSS
22 votes278 views6 answers
Font-family css
CSS
0 vote290 views1 answer
Text change animation css
CSS
0 vote288 views1 answer
Get clicked position javascript image
CSS
22 votes316 views5 answers
Center grid
CSS
-2 votes305 views1 answer
How to add pseudo class in html
CSS
0 vote268 views1 answer
Flex fill space
CSS
0 vote262 views2 answers
Laravel default app.css downloD
CSS
74 votes284 views6 answers
Display flex
CSS