☰

Autocomplete On

Searches for autocomplete attributes in the page and sets the value to on.

当前为 2014-08-15 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        Autocomplete On
  3. // @namespace   http://userscripts.org/scripts/show/7347
  4. // @namespace   https://greasyfork.org/scripts/4256-autocomplete-on
  5. // @description Searches for autocomplete attributes in the page and sets the value to on.
  6. // @include     *
  7. // @version     10.0
  8. // ==/UserScript==
  9.  
  10. location.replace('javascript:(' + function() {
  11.     function enableAutocomplete()
  12.     {
  13.         /* Get all autocomplete attributes */
  14.         var nodeSnapshot = document.evaluate('//*[@autocomplete]', document, null,
  15.             XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null),
  16.             numNodeValues = nodeSnapshot.snapshotLength - 1,
  17.             focusedAndBlurred = false,
  18.             formNode = null,
  19.             numFormElements = 0,
  20.             scrollX = window.pageXOffset,
  21.             scrollY = window.pageYOffset,
  22.             activeElement = document.activeElement;
  23.         /* Loop through all the attributes found in the snapshot */
  24.         for (var i = numNodeValues; i >= 0; i--) {
  25.             /*
  26.                 Get the attribute snapshot object and
  27.                 Change the attribute value to "on"
  28.             */
  29.             nodeSnapshot.snapshotItem(i).setAttribute('autocomplete', 'on');
  30.             /* If element is of type text and autocomplete is set, it's probably the username */
  31.             if (nodeSnapshot.snapshotItem(i).getAttribute('type') == 'text') {
  32.                 /*
  33.                     Blurring and focusing allows gecko to make suggestions
  34.                     immediately when double clicking username
  35.                 */
  36.                 nodeSnapshot.snapshotItem(i).focus();
  37.                 nodeSnapshot.snapshotItem(i).blur();
  38.                 focusedAndBlurred = true;
  39.             }
  40.             /* Remember the form node if autocomplete was set on it */
  41.             if (nodeSnapshot.snapshotItem(i).nodeName.toLowerCase() == 'form') {
  42.                 formNode = nodeSnapshot.snapshotItem(i);
  43.                 numFormElements = formNode.elements.length - 1;
  44.             }
  45.         }
  46.         /*
  47.             If formNode was set and username was not focused and blurred,
  48.             then autocomplete was only set on the form node
  49.         */
  50.         if (formNode != null && ! focusedAndBlurred) {
  51.             for (var i = numFormElements; i >= 0; i--) {
  52.                 /* Blur and focus every text field in the form ending with the first field */
  53.                 if (formNode.elements[i].getAttribute('type') == 'text') {
  54.                     formNode.elements[i].focus();
  55.                     formNode.elements[i].blur();
  56.                     focusedAndBlurred = true;
  57.                 }
  58.             }
  59.         }
  60.         /*
  61.             If form fields were focused and blurred, return to the original
  62.             scroll position and refocus the active element
  63.         */
  64.         if (focusedAndBlurred) {
  65.             activeElement.focus();
  66.             window.scrollTo(scrollX, scrollY);
  67.         }
  68.     }
  69.     function newSubmit()
  70.     {
  71.         enableAutocomplete();
  72.         if (this._submit !== undefined) {
  73.             this._submit();
  74.         }
  75.     }
  76.     /* Override DOM submit */
  77.     HTMLFormElement.prototype._submit = HTMLFormElement.prototype.submit;
  78.     HTMLFormElement.prototype.submit = newSubmit;
  79.     /* Run enable on form submit and page load */
  80.     window.addEventListener('submit', newSubmit, true);
  81.     window.addEventListener('load', enableAutocomplete, false);
  82. } + ')()');