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This documentation relates to Opera's now deprecated .oex Extension API framework for Opera versions <= 12.15 and also provided by our OEX2NEX shim library.

For the latest Opera Extensions API documentation for Opera versions > 12.15 please consult the latest Opera Extensions API documentation online.


The isEditable attribute is true if the activated element is editable (i.e. if it is a text input or text area), otherwise its value is false (default).


readonly Boolean isEditable


In this example, a menu item is added to the context menu for editable elements only. When the menu item is clicked, a message is shown in the console after a further check that the element is editable.

  The configuration file ('config.xml').
<?xml version='1.0' encoding='utf-8'?>
<widget xmlns="http://www.w3.org/ns/widgets">
    <feature name="opera:contextmenus"/>
// The background process (e.g. '/background.js'). 

if (opera.contexts.menu) {
  var menu = opera.contexts.menu;
  // Create a menu item properties object
  var itemProps = {
    contexts: ['editable'],
    title: 'Context menu example',
    onclick: function(event) {
      if (event.isEditable) {
        console.log('This is an editable element');

  // Create a menu item with the specified properties
  var item = menu.createItem(itemProps);
  // Add the menu item to the context menu