tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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utils.js (473B)

      1 function styleExistsInSheet(styleText, sheet) {
      2  for (let rule of sheet.cssRules) {
      3    if (styleText == rule.cssText)
      4      return true;
      5    if (rule instanceof CSSImportRule) {
      6      if (rule.styleSheet && styleExistsInSheet(styleText, rule.styleSheet))
      7        return true;
      8    }
      9  }
     10  return false;
     11 }
     12 
     13 function styleExists(styleText) {
     14  for (let sheet of document.styleSheets) {
     15    if (styleExistsInSheet(styleText, sheet))
     16      return true;
     17  }
     18  return false;
     19 }