Extending one JavaScript Object Function from Another

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I need to add some functionality to a core JavaScript object function, without touching the original file.

How can I extend the following object function from my object below while keeping the namespace intact?

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core object 

    (function() {
        var DOM = tinymce.DOM;

        tinymce.create('tinymce.plugins.WordPress', {

            // i need to extend this function
            _hideButtons : function() {

                // stuff here

            };

        }); 

        tinymce.PluginManager.add('wordpress', tinymce.plugins.WordPress);

    })();

my object

I tried this, but it doesn’t work: 

    (function() {

        tinymce.create('tinymce.plugins.Mine', {

            init : function(ed, url) {  

                ed.plugins.wordpress._hideButtons.prototype = function() {

                    // new function stuff

                }
            },  

        }); 

        tinymce.PluginManager.add('mine', tinymce.plugins.Mine);

    })();

Am I on the right track?

Post Views: 2

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1 comment

  1. extending was, in fact, not what i needed.

    by just removing .prototype above, allowed me to completely over write the function in question. this is exactly what i wanted to do.

    check it…

    (function() {

    tinymce.create('tinymce.plugins.Mine', {

        init : function(ed, url) {  

            ed.plugins.wordpress._hideButtons = function() {

                // new function stuff

            }
        },  

    }); 

    tinymce.PluginManager.add('mine', tinymce.plugins.Mine);

})();