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

17 votes265 views4 answers
Css center element on screen
CSS
0 vote270 views3 answers
Constraint in grails
CSS
3 votes273 views3 answers
Have background color and background image css
CSS
0 vote292 views1 answer
Tar xz
CSS
12 votes324 views2 answers
Css table alternating row color
CSS
0 vote284 views1 answer
Grid css fr width of content
CSS
1 vote271 views1 answer
Display in flexbox
CSS
0 vote337 views1 answer
Navbar bootstrap display items horizontally
CSS Bootstrap
0 vote270 views1 answer
Css 16 9 ratio
CSS
0 vote264 views2 answers
Sass variables across files
CSS