how to set id to an element inside tiny mce

I want to add an Id to the element which is 开发者_JAVA技巧being edited using a tine mce instance ? Is there any way ?

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Yes, there is a way. You need to get the selections parent node and apply the attribute id there:

ed.onDesiredEvent.add(function(editor, event) {
    node = editor.selection.getNode();
    node.setAttribute('id','the_id_to_be_assigned');
}