konami-code-js

Fire a JavaScript Event when you enter the « Up Up Bottom Bottom Left Right Left Right B A » Konami Code Sequence.

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KonamiCodeJS #
Fire a JavaScript Event when you enter the « Up Up Bottom Bottom Left Right Left Right B A » Konami Code Sequence with your keyboard. That work also when you do the following touch gesture « Up Up Bottom Bottom Left Right Left Right Tap Tap » with your finger. ----- Vous êtes français ? Le README derrière ce lien vous sera peut-être plus agréable.

Basic Usage ##

```js new KonamiCode(function () { 
// Do something here.
// This part will be executed if « Up Up Down Down Left Right Left Right B A »
// is recognised from Keyboard or Touch Gesture.
}); ```

Custom Example ##

In this example, we will authorized only the area of <article> to listening Konami Code Sequence and after fire the Correct Sequence, avoid next Konami Code recognization. ```js var kc = new KonamiCode({ 
listener: document.getElementsByTagName("article")[0]
}); kc.setCallback(function () { 
kc.disable();
// Do something here.
// This part will be executed if « Up Up Down Down Left Right Left Right B A »
// is recognised from Keyboard or Touch Gesture.
}); ```

API Documentation ##

Version: 0.8.1 Author: Bruno Lesieur 
* [new KonamiCode([options])](#new_KonamiCode_new)
* _instance_
* [.enable()](#KonamiCode+enable) ⇒ <code>[KonamiCode](#KonamiCode)</code>
* [.enableKeyboardKeys()](#KonamiCode+enableKeyboardKeys) ⇒ <code>[KonamiCode](#KonamiCode)</code>
* [.enableTouchGesture()](#KonamiCode+enableTouchGesture) ⇒ <code>[KonamiCode](#KonamiCode)</code>
* [.disable()](#KonamiCode+disable) ⇒ <code>[KonamiCode](#KonamiCode)</code>
* [.disabledKeyboardKeys()](#KonamiCode+disabledKeyboardKeys) ⇒ <code>[KonamiCode](#KonamiCode)</code>
* [.disabledTouchGesture()](#KonamiCode+disabledTouchGesture) ⇒ <code>[KonamiCode](#KonamiCode)</code>
* [.setListener(listener)](#KonamiCode+setListener) ⇒ <code>[KonamiCode](#KonamiCode)</code>
* [.setCallback(callback)](#KonamiCode+setCallback) ⇒ <code>[KonamiCode](#KonamiCode)</code>
* [.setOptions([options])](#KonamiCode+setOptions) ⇒ <code>[KonamiCode](#KonamiCode)</code>
* _static_
* [.noConflict()](#KonamiCode.noConflict)
* [.getNumberOfInstance()](#KonamiCode.getNumberOfInstance) ⇒ <code>number</code>

new KonamiCode(options)

Create Konami Code Sequence recognition « Up Up Bottom Bottom Left Right Left Right B A » on specific HTMLElement or on global HTMLDocument. | Param | Type | Description | | --- | --- | --- | | options | Object | function | Container for all options. If type of options is Function, it is executed after Konami Code Sequence has been recognize. | | options.callback | function | If options is not a Function, options.callback is executed after Konami Code Sequence has been entered. The first parameter provided by the callback is current instance of KonamiCode. | | options.listener | Node | By default it is the HTMLDocument window.document. You can pass some HTMLElement like <input> (HTMLInputElement) to only recognize Konami Code Sequence from this element. | | options.debug | boolean | By default it is set to false. When you set this value to true, that allows you to see all debug message in the console. |

konamiCode.enable() ⇒ KonamiCode

Active the listening of Konami Code Sequence. Kind: instance method of KonamiCode Returns: KonamiCode - Current instance of KonamiCode

konamiCode.enableKeyboardKeys() ⇒ KonamiCode

Active the listening of Konami Code Sequence for Keyboard Keys. Kind: instance method of KonamiCode Returns: KonamiCode - Current instance of KonamiCode

konamiCode.enableTouchGesture() ⇒ KonamiCode

Active the listening of Konami Code Sequence for Touch Gesture. Kind: instance method of KonamiCode Returns: KonamiCode - Current instance of KonamiCode

konamiCode.disable() ⇒ KonamiCode

Unactive the listening of Konami Code Sequence. Kind: instance method of KonamiCode Returns: KonamiCode - Current instance of KonamiCode

konamiCode.disabledKeyboardKeys() ⇒ KonamiCode

Unactive the listening of Konami Code Sequence for Keyboard Keys. Kind: instance method of KonamiCode Returns: KonamiCode - Current instance of KonamiCode

konamiCode.disabledTouchGesture() ⇒ KonamiCode

Unactive the listening of Konami Code Sequence for Touch Gesture. Kind: instance method of KonamiCode Returns: KonamiCode - Current instance of KonamiCode

konamiCode.setListener(listener) ⇒ KonamiCode

Change the listener. The old listener will no longer work. Note: change the listener enable this instance if it is previously disable(). Kind: instance method of KonamiCode Returns: KonamiCode - Current instance of KonamiCode | Param | Type | Description | | --- | --- | --- | | listener | Node | You can pass some HTMLElement like <input> (HTMLInputElement) to only recognize Konami Code Sequence from this element. |

konamiCode.setCallback(callback) ⇒ KonamiCode

Change the Function executed after Konami Code Sequence has been entered. Kind: instance method of KonamiCode Returns: KonamiCode - Current instance of KonamiCode | Param | Type | Description | | --- | --- | --- | | callback | function | Function executed after Konami Code Sequence has been entered. The first parameter provided by the callback is current instance of KonamiCode. | Example ```js new KonamiCode().setCallback(function (konamiCode) { 
konamiCode.disable();
// Do something here.
}); ```

konamiCode.setOptions(options) ⇒ KonamiCode

Change options of instance currently existing. Kind: instance method of KonamiCode Returns: KonamiCode - Current instance of KonamiCode | Param | Type | Description | | --- | --- | --- | | options | Object | Container for all options. | | options.callback | function | Function executed after Konami Code Sequence has been entered. The first parameter provided by the callback is current instance of KonamiCode. | | options.listener | Node | By default it is the HTMLDocument window.document. You can pass some HTMLElement like <input> (HTMLInputElement) to only recognize Konami Code Sequence from this element. | | options.debug | boolean | By default it is set to false. When you set this value to true, that allows you to see all debug message in the console. |

KonamiCode.noConflict()

If a previous KonamiCode variable exist into global environment, you could kept it by changing name of current KonamiCode. You can also just use that function to change the name of Global « KonamiCode » variable. Kind: static method of KonamiCode Example ```js ```

KonamiCode.getNumberOfInstance() ⇒ number

Return the number of time KonamiCode was instanciated. Kind: static method of KonamiCode Returns: number - Number of KonamiCode instance create from begining.

Chaining ##

All API instanciated methods return the current instance of KonamiCode Object. That allows you to use instance like this. ```js new KonamiCode() 
.disable()
.enable()
.setListener(document.getElementsByTagName("body")[0])
.setCallback(function (konamiCode) {
konamiCode.disable();
// Do something here.
// This part will be executed if « Up Up Down Down Left Right Left Right B A »
// is recognised from Keyboard or Touch Gesture.
});
```

Debug Mode ##

You can see what step are used with console log message. ```js new KonamiCode({ 
debug: true,
callback: function (konamiCode) {
konamiCode.disable();
}
}); ```

Import JavaScript File ##

By Direct Download ###

From NPM ###

``` npm install konami-code-js ```

From CDN ###

  • For development:
```html ```
  • For production:
```html ```

With AMD Loader ###

```html ```

With CommonJS Loader ###

```js var KonamiCode = require("konami-code-js"); new KonamiCode(function () { 
// Do something here.
// This part will be executed if « Up Up Down Down Left Right Left Right B A »
// is recognised from Keyboard or Touch Gesture.
}); ```