Convert jQuery :pseudo selectors into $.fn.pseudo methods (if no conflicts)

jquery-pseudo-as-method.js

(function($){
  
  $.each( $.expr[":"], function(k){
    $.fn[k] = $.fn[k] || function(v){
      return this.pushStack( this.filter( ':' + k + '(' + v + ')' ), k );
    };
  });
  
}(jQuery);

// or

$.each( $.expr[":"], function(k){ $.fn[k] = $.fn[k] || function(v){ return this.pushStack( this.filter( ':' + k + '(' + v + ')' ), k ); } } );