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No Caps

Makes stuff with all caps lowercase

  1. // ==UserScript==
  2. // @name         No Caps
  3. // @namespace    https://greasyfork.org/en/scripts/22856-no-caps
  4. // @version      1.0
  5. // @description  Makes stuff with all caps lowercase
  6. // @author       abbott
  7. // @match        *://*/*
  8. // ==/UserScript==
  9.  
  10. window.onload = function() {
  11.   var elements = document.body.getElementsByTagName('*');
  12.  
  13.   for (var i = 0, element;  element = elements[i]; i++) {
  14.     var text = '';
  15.     element.innerHTML.split(/(<.+?>)/).forEach(function(s) {
  16.       text += s.charAt(0) === '<' ? s : noCaps(s);
  17.     });
  18.  
  19.     element.innerHTML = text;
  20.   }
  21. };
  22.  
  23. // enforces proper capitalization, lowercases words with all caps
  24. function noCaps(s) {
  25.   return s.split(' ').map(function(word) {
  26.     var caps = 0;
  27.  
  28.     for (var i = 0, char; char = word.charAt(i); i++) {
  29.       if (char !== char.toLowerCase()) {
  30.         caps++;
  31.       }
  32.     }
  33.  
  34.     if (caps === (word.length - nonAlpha(word))) {
  35.       return word.toLowerCase();  
  36.     }
  37.     
  38.     return word;
  39.   }).join(' ');
  40. }
  41.  
  42. function nonAlpha(s) {
  43.   var count = 0;
  44.  
  45.   for (var i = 0, char; char = s.charAt(i); i++) {
  46.     count += (char.toUpperCase() === char.toLowerCase()) ? 1 : 0; // non letters would return the same result
  47.   }
  48.  
  49.   return count;
  50. }