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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 of the element in the page representing the Menu; 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");

### 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
- 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 (beta))

### More Menu Family Resources:

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

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