title: Can browser password managers remember username only?
body: <p>I maintain a login form that is reused across a variety of organizations.  Each organization has a different set of required credentials.  In some cases, only a single identifier is required. Essentially it's a user name or number, with no password.  I realize this fact may strike many as odd, but let's leave that aside.  It's a quirk of the domain I work in.</p>
  
  <p>When the login form only contains a single input field I would still like browser's password management features to kick in and offer to save the entered value.  I have tried setting <code>autocomplete="username"</code> on the <code>input</code> element as described <a href="https://www.chromium.org/developers/design-documents/form-styles-that-chromium-understands" rel="nofollow noreferrer">here</a>, but that does not seem to work.</p>
  
  <p>Can this be done?  Do any browsers support it?  I can't find a clear answer in the documentation for Chrome, Firefox, or Safari.  I can always implement it myself using a cookie and a "remember me" checkbox, but I would strongly prefer not to.</p>