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# YUI Library Examples: Menu Family: Grouped Menu Items Using JavaScript

# Menu Family: Grouped Menu Items Using JavaScript

This example demonstrates how to group MenuItem instances.

Note: By default clicking outside of a Menu instance will hide it. Additionally, MenuItem instances without a submenu or a URL to navigate to will hide their parent Menu instance when clicked. Click the "Show Menu" button below to make the Menu instance visible if it is hidden.

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## Creating a Menu from JavaScript with items organized into groups

To create a Menu with no pre-existing markup on the page, call the Menu constructor (`YAHOO.widget.Menu`) passing the id of the Menu element to be created as the first argument.

Add items to a Menu instance via the `addItem`, `insertItem`, or `addItems` methods.

Items can be organized into groups by creating a multi-dimensional array of YAHOO.widget.MenuItem configuration properties and passing it to the `addItems` method.

Finally, it is necessary to call the `render` method passing the id of, or reference to the element the Menu should be appended to.

/* Instantiate a Menu: The first argument passed to the constructor is the id for the Menu element to be created, the second is an object literal of configuration properties. */ var oMenu = new YAHOO.widget.Menu("menuwithgroups", { fixedcenter: true }); /* Add items to the Menu instance by passing an array of object literals (each of which represents a set of YAHOO.widget.MenuItem configuration properties) to the "addItems" method. */ oMenu.addItems([ [ { text: "Yahoo! Mail", url: "http://mail.yahoo.com" }, { text: "Yahoo! Address Book", url: "http://addressbook.yahoo.com" }, { text: "Yahoo! Calendar", url: "http://calendar.yahoo.com" }, { text: "Yahoo! Notepad", url: "http://notepad.yahoo.com" } ], [ { text: "Yahoo! Local", url: "http://local.yahoo.com" }, { text: "Yahoo! Maps", url: "http://maps.yahoo.com" }, { text: "Yahoo! Travel", url: "http://travel.yahoo.com" }, { text: "Yahoo! Shopping", url: "http://shopping.yahoo.com" } ], [ { text: "Yahoo! Messenger", url: "http://messenger.yahoo.com" }, { text: "Yahoo! 360", url: "http://360.yahoo.com" }, { text: "Yahoo! Groups", url: "http://groups.yahoo.com" }, { text: "Flickr Photo Sharing", url: "http://www.flickr.com" } ] ]); /* Since this Menu instance is built completely from script, call the "render" method passing in the DOM element that it should be appended to. */ oMenu.render("rendertarget");

## Configuration for This Example

You can load the necessary JavaScript and CSS for this example from Yahoo's servers. Click here to load the YUI Dependency Configurator with all of this example's dependencies preconfigured.

### Menu Family Examples:

- Basic Menu From Markup
- Basic Menu From JavaScript
- Grouped Menu Items Using Markup
- Grouped Menu Items Using JavaScript
- Grouped Menu Items With Titles From Markup
- Grouped Menu Items With Titles From JavaScript
- Multi-tiered Menu From Markup
- Multi-tiered Menu From JavaScript
- Handling Menu Click Events
- Listening For Menu Events
- MenuItem Configuration Properties
- Setting Menu Configuration Properties At Runtime
- Website Left Nav With Submenus Built From Markup
- Website Left Nav With Submenus From JavaScript
- Website Top Nav With Submenus Built From Markup
- Website Top Nav With Submenus From JavaScript
- Website Left Nav Using Animation With Submenus Built From Markup
- Website Left Nav Using Animation With Submenus From JavaScript
- Website Top Nav Using Animation With Submenus Built From Markup
- Website Top Nav Using Animation With Submenus From JavaScript
- Context Menu
- Adding A Context Menu To A Table
- Adding A Context Menu To A TreeView
- OS-Style Programs Menu
- Application Menubar
- Using the Menu ARIA Plugin
- Replacing the content of a Button's Menu (included with examples for Button Control)
- Using A Menu Button To Replace A <select> Element (included with examples for Button Control)
- Using the Button ARIA Plugin (included with examples for Button Control)
- Context Menu Integration (included with examples for DataTable Control)
- Menu Buttons (included with examples for Button Control)
- Split Buttons (included with examples for Button Control)
- Color Picker Button (included with examples for Button Control)
- Fixed Width Menu Button (included with examples for Button Control)
- Slider Button (included with examples for Button Control)
- Layout with Menu Controls (included with examples for Layout Manager)
- Using the ProfilerViewer API while Profiling the YUI Menu Control (included with examples for ProfilerViewer Control)

### More Menu Family Resources:

- User's Guide (external)
- API Documentation
- Cheat Sheet PDF (external)

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