moOde 5 Release Candidate RC0

[swizzle]

The unexpected token ">" error is in this function


function getCSSRule(ruleName) {
   ruleName = ruleName.toLowerCase();
   var result = null;
   var find = Array.prototype.find;

   find.call(document.styleSheets, styleSheet => {
       result = find.call(styleSheet.cssRules, cssRule => {
           return cssRule instanceof CSSStyleRule
               && cssRule.selectorText.toLowerCase() == ruleName;
       });
       return result != null;
   });
   return result;
}

What browser / iOS version is that franz?