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 focus()
method provides a way to focus a browser tab.
None
void focus ()
The following example creates a button on the browser toolbar. When the button is clicked, a tab is created with the specified URL and is given focus.
//
// The background process (e.g. index.html)
//
// Specify the properties of the button before creating it.
var UIItemProperties = {
disabled: false,
title: "Example extension",
icon: "images/icon_18.png",
onclick: function() {
// Create a tab with the specified URL
var tab = opera.extension.tabs.create({url: 'http://dev.opera.com/'});
// Give focus to the new tab
tab.focus();
}
};
// Create the button and add it to the toolbar.
var button = opera.contexts.toolbar.createItem( UIItemProperties );
opera.contexts.toolbar.addItem(button);