gistfile1.js

/**
 * `and` plugins for jQuery
 * ---
 * Pretty intuitive. Enables stuff like:
 *   $('a').andChildren();
 * Quicker & easier than:
 *   $('a').children().andSelf()
 */

(function(){
    
    var methods = [
        'parent', 'parents', 'parentsUntil',
        'children', 'find', 'siblings',
        'next', 'nextAll', 'nextUntil',
        'prev', 'prevAll', 'prevUntil',
        'closest'
    ];
    
    jQuery.each(methods, function(i, meth){
        
        meth = jQuery.fn[this];
        
        jQuery.fn[
            'and' + this.charAt(0).toUpperCase() + this.substring(1)
        ] = jQuery.extend(
            function() {
                return this.pushStack(this.add(
                    meth.apply(this,arguments)
                ));
            },
            meth
        );
        
    });
    
}());