☰

Greasy Fork is available in English.

Show Password on MouseOver

Show password when mouseover a password field

  1. // ==UserScript==
  2. // @name          Show Password on MouseOver
  3. // @namespace     MickyFoley
  4. // @description   Show password when mouseover a password field
  5. // @version       1.1
  6. // @author        MickyFoley
  7. // @license       free
  8. // @include       *
  9. // @grant         none
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.   function showPassword(event) {
  14.     const target = event.target;
  15.     if (target.matches('input[type="password"]')) {
  16.       target.type = 'text';
  17.  
  18.       // Use MutationObserver to prevent interference
  19.       const observer = new MutationObserver(mutations => {
  20.         for (const mutation of mutations) {
  21.           if (mutation.attributeName === 'type' && target.type !== 'text') {
  22.             target.type = 'text';
  23.           }
  24.         }
  25.       });
  26.  
  27.       observer.observe(target, { attributes: true });
  28.  
  29.       const restoreType = () => {
  30.         observer.disconnect();
  31.         target.type = 'password';
  32.         target.removeEventListener('mouseleave', restoreType);
  33.       };
  34.  
  35.       target.addEventListener('mouseleave', restoreType, { once: true });
  36.     }
  37.   }
  38.  
  39.   document.addEventListener('mouseover', showPassword, true);
  40. })();