Getting selected html content in tinymce editor

Question

I have created a custom button using this code

    setup : function(ed) {
    ed.addButton(\'Tittle\', {
                title : \'Tittle\',
                         


        

Answer 1

var node = tinyMCE.activeEditor.selection.getContent();
tinyMCE.execCommand('mceReplaceContent', false, %your value, can use node%");