Rails - Jul 2011 - Re: Rails JS best practices? (jQuery + Prototype / MooTools

Here''s an interesting solution how to add all methods of underscore.js
to native types

    // Underscore methods that we want to implement on Array.
    var methods = [''each'', ''map'',
''reduce'', ''reduceRight'',
''detect'',
''select'',
      ''reject'', ''all'',
''any'', ''include'',
''invoke'', ''pluck'', ''max'',
''min'', ''sortBy'',
      ''sortedIndex'', ''toArray'',
''size'', ''first'', ''rest'',
''last'',
''without'',
      ''indexOf'', ''lastIndexOf'',
''isEmpty''];

    // Mix in each method as a proxy.
    _.each(methods, function(method) {
      Array.prototype[method] = function() {
        return _[method].apply(_, [this].concat(_.toArray(arguments)));
      };
    });

full thread is here http://github.com/documentcloud/underscore/issues/38

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