# menu-aim [![npm Version](http://img.shields.io/npm/v/menu-aim.svg?style=flat)](https://www.npmjs.org/package/menu-aim) [![Build Status](https://img.shields.io/travis/yuanqing/menu-aim.svg?branch=master&style=flat)](https://travis-ci.org/yuanqing/menu-aim)

> [Instant mega menus](http://bjk5.com/post/44698559168/breaking-down-amazons-mega-dropdown) in vanilla JavaScript.

- Keeps a sub-menu open when the mouse is determined to be enroute to it, else instantly switches to another item in the menu
- 670 bytes gzipped

## API

> [**Editable demo (CodePen)**](https://codepen.io/lyuanqing/pen/paLgwN)

```js
const menuAim = require('menu-aim')
```

### menuAim(element [, options])

`element` is a DOM element and `options`is an optional object literal.

- Returns a &ldquo;clean up&rdquo; function for removing event listeners bound by the function to `element` and `window`.

- `element` has the following HTML structure:

  ```html
  <ul class="menu-aim">
    <li class="menu-aim__item">
      <a class="menu-aim__item-name"></a>
      <ul class="menu-aim__item-submenu"></ul>
    </li>
    
  </ul>
  ```

  See the [demo](https://codepen.io/lyuanqing/pen/paLgwN) for the CSS styles required on `element` and the various nested elements.

- Keys on `options`:

  Key | Description | Default
  :--|:--|:--
  `menuItemSelector` | Selector for each menu item. | `.menu-aim__item`
  `menuItemActiveClassName` | Class name assigned to a menu item when it is active. | `menu-aim__item--active`
  `menuItemSubMenuSelector` | Selector for the sub-menu element nested within each menu item. | `.menu-aim__item-submenu`
  `delayingClassName` | Class name applied to `element` when some menu item is active and the mouse is determined to be enroute to the active submenu. | `menu-aim--delaying`

## Installation

Install via [yarn](https://yarnpkg.com):

```sh
$ yarn add menu-aim
```

Or [npm](https://npmjs.com):

```sh
$ npm install --save menu-aim
```

## Prior art

- [jQuery-menu-aim](https://github.com/kamens/jQuery-menu-aim)

## License

[MIT](LICENSE.md)

Instant mega menus in vanilla JavaScript. 

menu-aim

Instant mega menus in vanilla JavaScript.

yuanqing

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Key	Description	Default
`menuItemSelector`	Selector for each menu item.	`.menu-aim__item`
`menuItemActiveClassName`	Class name assigned to a menu item when it is active.	`menu-aim__item--active`
`menuItemSubMenuSelector`	Selector for the sub-menu element nested within each menu item.	`.menu-aim__item-submenu`
`delayingClassName`	Class name applied to `element` when some menu item is active and the mouse is determined to be enroute to the active submenu.	`menu-aim--delaying`

menu-aim

menu-aim

API

menuAim(element [, options])

Installation

Prior art

License

Keywords

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menu-aim

API

menuAim(element [, options])

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Prior art

License

Keywords

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