Avoid deeply nested control flow statements.

Open

                        if ( selMatch[ sel ] ) {
                            matches.push( handleObj );
                        }

Avoid deeply nested control flow statements.

Open

                            if ( matcher( elem, context, xml ) ) {
                                elem.sizset = true;
                                return elem;
                            }

Avoid deeply nested control flow statements.

Open

                    if ( conv && s["throws"] ) {
                        response = conv( response );
                    } else {
                        try {
                            response = conv( response );

Avoid deeply nested control flow statements.

Open

                                    if ( xhr.readyState !== 4 ) {
                                        xhr.abort();
                                    }

Function setMatcher has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {

Avoid deeply nested control flow statements.

Open

                        while ( className.indexOf(" " + removes[ c ] + " ") >= 0 ) {
                            className = className.replace( " " + removes[ c ] + " " , " " );
                        }

Avoid deeply nested control flow statements.

Open

                    if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
                        contains( context, elem ) && elem.id === m ) {
                        results.push( elem );
                        return results;
                    }

Avoid deeply nested control flow statements.

Open

                                    if ( xml && xml.documentElement /* #4958 */ ) {
                                        responses.xml = xml;
                                    }

Function init has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

    init: function( elem, options, prop, end, easing, unit ) {

Avoid deeply nested control flow statements.

Open

                    if ( (seed = find(
                        token.matches[0].replace( rbackslash, "" ),
                        rsibling.test( tokens[0].type ) && context.parentNode || context,
                        xml
                    )) ) {

Method perform has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

  def self.perform(id)
    contest = Contest.find id

    User.where(notify_new_contests: true).each do |user|
      next unless user.notify_new_contests?

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Avoid deeply nested control flow statements.

Open

                        if ( selMatch[ sel ] === undefined ) {
                            selMatch[ sel ] = handleObj.needsContext ?
                                jQuery( sel, this ).index( cur ) >= 0 :
                                jQuery.find( sel, this, null, [ cur ] ).length;
                        }

Avoid deeply nested control flow statements.

Open

                                if ( elem === node ) {
                                    break;
                                }

Avoid deeply nested control flow statements.

Open

                    if ( Expr.relative[ tokens[j].type ] ) {
                        break;
                    }

Avoid deeply nested control flow statements.

Open

                        if ( elem.id !== match[2] ) {
                            return rootjQuery.find( selector );
                        }

Avoid deeply nested control flow statements.

Open

                        if ( ret === false ) {
                            event.preventDefault();
                            event.stopPropagation();
                        }

Avoid deeply nested control flow statements.

Open

                                    if ( xhrOnUnloadAbort ) {
                                        delete xhrCallbacks[ handle ];
                                    }

Avoid deeply nested control flow statements.

Open

                            if ( !xhrCallbacks ) {
                                xhrCallbacks = {};
                                jQuery( window ).unload( xhrOnUnloadAbort );
                            }

Avoid deeply nested control flow statements.

Open

                        for ( c = 0, cl = classNames.length; c < cl; c++ ) {
                            if ( setClass.indexOf( " " + classNames[ c ] + " " ) < 0 ) {
                                setClass += classNames[ c ] + " ";
                            }
                        }

Avoid deeply nested control flow statements.

Open

                    if ( elem && elem.parentNode ) {
                        // Handle the case where IE, Opera, and Webkit return items
                        // by name instead of ID
                        if ( elem.id === m ) {
                            results.push( elem );