Question 35619 in Jquery Question posted in
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Detect a URL that only contains query vs has subdirectories in jQuery

I need to run a function on a URL that doesn’t contain subdirectories – one that only applies to the root domain, but where the root domain can have query string.

For example, this should match:

  • domain.com
  • domain.com?utm=blah
  • domain.com/?utm=blah

It shouldn’t match:

  • domain.com/directory

(I can’t just check for a / since that’s technically included in even a URL on the root domain.)

I imagine I can get fancy with splitting the URL and all, but wondering if there’s an easier way to say, "If the URL after ‘.com/’ either doesn’t exist or doesn’t start with ?"…

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3

Answers


  1. 0

    I believe the solution can be found at the following fine URL:
    https://stackoverflow.com/a/42353290/1132976

    Basically, check to see if window.location.search is a valid object. There is discussion on how to iterate on the values within the object at that article.

    PS: This probably won’t work on really old browsers. YMMV.

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  2. 0

    You can parse the URLs with the URL class and extract the pathname property. If the pathname is longer than "/", then it has a non-empty path

    const urls = [
  "https://example.com",
  "https://example.com?utm=blah",
  "https://example.com/?utm=blah",
  "https://example.com/index.html?utm=blah",
  "https://example.com/directory"
];

urls.forEach((url) => {
  const parsed = new URL(url);
  const hasPath = parsed.pathname.length > 1;
  console.log(url, "has path:", hasPath);
});

    Note, this produces false positives for URLs with PATH_INFO, eg https://example.com/index.html/foo/bar/baz but it’s not clear if you need that level of support.

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  3. 0

    I think you want

    window.location.pathname === '/'

    pathname will be / if you’re at https://www.google.com, but it’ll be /search if you’re at https://www.google.com/search?q=foo

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