nl_tokens: Return a workaround function to fix the bug . Note that this will slow down matching but only if the bug exists in this browser .
pl_tokens: function workaround ( ) { var node = document . createElement ( 'div' ) ; function matches ( element , selector ) { if ( method . call ( <mask> , selector ) ) { return true ; } else if ( ! element . parentNode ) { // If node is not attached, temporarily attach to node node . appendChild ( element ) ; var result = method . call ( element , selector ) ; node . removeChild ( element ) ; return result ; } else { return false ; } } return matches ; }