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https://github.com/drgullin/icheck

Highly customizable checkboxes and radio buttons (jQuery & Zepto)
https://github.com/drgullin/icheck

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Highly customizable checkboxes and radio buttons (jQuery & Zepto)

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README 

        
# [iCheck plugin](http://fronteed.com/iCheck/) [1.0.3](#october-10-2020)

#### Highly customizable checkboxes and radio buttons for jQuery and Zepto.



Refer to the [iCheck website](http://fronteed.com/iCheck/) for examples.



**Note: [iCheck v2.0](https://github.com/fronteed/icheck/tree/2.x) is on the way**, it got a huge performance boost, many new options and methods. It's in a release candidate state, so you may try to use it. Feel free to submit an issue if you find something not working.



![Skins](http://fronteed.com/iCheck/examples.png)



Features

--------



* **Identical inputs across different browsers and devices** — both [desktop and mobile](#browser-support)

* **Touch devices support** — iOS, Android, BlackBerry, Windows Phone, Amazon Kindle

* **Keyboard accessible inputs** — `Tab`, `Spacebar`, `Arrow up/down` and other shortcuts

* **Customization freedom** — use any HTML and CSS to style inputs (try [6 Retina-ready skins](http://fronteed.com/iCheck/))

* **jQuery and Zepto** JavaScript libraries support from single file

* **Screenreader accessible inputs** — [ARIA](https://developer.mozilla.org/en-US/docs/Accessibility/ARIA) attributes for VoiceOver and others

* **Lightweight size** — 1 kb gzipped



-----



* [32 options](#options) to customize checkboxes and radio buttons

* [11 callbacks](#callbacks) to handle changes

* [9 methods](#methods) to make changes programmatically

* Saves changes to original inputs, [works carefully](#initialize) with any selectors



How it works

------------



iCheck works with checkboxes and radio buttons like a constructor. **It wraps each input with a div**, which may be customized by you or using one of the [available skins](http://fronteed.com/iCheck/). You may also place inside that div some HTML code or text using `insert` option.



For this HTML:



```html



  

  Foo



Bar



Bar



```



With default options you'll get nearly this:



```html



  


    

  


  Foo



Bar



  




Bar



  



```



**By default, iCheck doesn't provide any CSS styles for wrapper divs** (if you don't use [skins](http://fronteed.com/iCheck/)).



Options

-------



These options are default:



```js

{

  // 'checkbox' or 'radio' to style only checkboxes or radio buttons, both by default

  handle: '',



  // base class added to customized checkboxes

  checkboxClass: 'icheckbox',



  // base class added to customized radio buttons

  radioClass: 'iradio',



  // class added on checked state (input.checked = true)

  checkedClass: 'checked',



    // if not empty, used instead of 'checkedClass' option (input type specific)

    checkedCheckboxClass: '',

    checkedRadioClass: '',



  // if not empty, added as class name on unchecked state (input.checked = false)

  uncheckedClass: '',



    // if not empty, used instead of 'uncheckedClass' option (input type specific)

    uncheckedCheckboxClass: '',

    uncheckedRadioClass: '',



  // class added on disabled state (input.disabled = true)

  disabledClass: 'disabled',



    // if not empty, used instead of 'disabledClass' option (input type specific)

    disabledCheckboxClass: '',

    disabledRadioClass: '',



  // if not empty, added as class name on enabled state (input.disabled = false)

  enabledClass: '',



    // if not empty, used instead of 'enabledClass' option (input type specific)

    enabledCheckboxClass: '',

    enabledRadioClass: '',



  // class added on indeterminate state (input.indeterminate = true)

  indeterminateClass: 'indeterminate',



    // if not empty, used instead of 'indeterminateClass' option (input type specific)

    indeterminateCheckboxClass: '',

    indeterminateRadioClass: '',



  // if not empty, added as class name on determinate state (input.indeterminate = false)

  determinateClass: '',



    // if not empty, used instead of 'determinateClass' option (input type specific)

    determinateCheckboxClass: '',

    determinateRadioClass: '',



  // class added on hover state (pointer is moved onto input)

  hoverClass: 'hover',



  // class added on focus state (input has gained focus)

  focusClass: 'focus',



  // class added on active state (mouse button is pressed on input)

  activeClass: 'active',



  // adds hoverClass to customized input on label hover and labelHoverClass to label on input hover

  labelHover: true,



    // class added to label if labelHover set to true

    labelHoverClass: 'hover',



  // increase clickable area by given % (negative number to decrease)

  increaseArea: '',



  // true to set 'pointer' CSS cursor over enabled inputs and 'default' over disabled

  cursor: false,



  // set true to inherit original input's class name

  inheritClass: false,



  // if set to true, input's id is prefixed with 'iCheck-' and attached

  inheritID: false,



  // set true to activate ARIA support

  aria: false,



  // add HTML code or text inside customized input

  insert: ''

}

```



There's no need to copy and paste all of them, you can just mention the ones you need:



```js

$('input').iCheck({

  labelHover: false,

  cursor: true

});

```



You can choose any class names and style them as you want.



Initialize

----------



Just include `icheck.js` after [jQuery v1.7+](http://jquery.com) (or [Zepto](http://github.com/madrobby/zepto#zepto-modules) [polyfill, event, data]).



iCheck supports any selectors, but handles only checkboxes and radio buttons:



```js

// customize all inputs (will search for checkboxes and radio buttons)

$('input').iCheck();



// handle inputs only inside $('.block')

$('.block input').iCheck();



// handle only checkboxes inside $('.test')

$('.test input').iCheck({

  handle: 'checkbox'

});



// handle .vote class elements (will search inside the element, if it's not an input)

$('.vote').iCheck();



// you can also change options after inputs are customized

$('input.some').iCheck({

  // different options

});

```



Indeterminate

---------



HTML5 allows specifying [indeterminate](http://css-tricks.com/indeterminate-checkboxes/) ("partially" checked) state for checkboxes. iCheck supports this for both checkboxes and radio buttons.



You can make an input indeterminate through HTML using additional attributes (supported by iCheck). Both do the same job, but `indeterminate="true"` may not work in some browsers (like IE7):



```html

indeterminate="true"



determinate="false"



```



`indeterminate` and `determinate` [methods](#methods) can be used to toggle indeterminate state.



Callbacks

---------



iCheck provides plenty callbacks, which may be used to handle changes.



  

    

      Callback name

      When used

    

  

  

    

      ifClicked

      user clicked on a customized input or an assigned label

    

    

      ifChanged

      input's "checked", "disabled" or "indeterminate" state is changed

    

    

      ifChecked

      input's state is changed to "checked"

    

    

      ifUnchecked

      "checked" state is removed

    

    

      ifToggled

      input's "checked" state is changed

    

    

      ifDisabled

      input's state is changed to "disabled"

    

    

      ifEnabled

      "disabled" state is removed

    

    

      ifIndeterminate

      input's state is changed to "indeterminate"

    

    

      ifDeterminate

      "indeterminate" state is removed

    

    

      ifCreated

      input is just customized

    

    

      ifDestroyed

      customization is just removed

    

  



Use `on()` method to bind them to inputs:



```js

$('input').on('ifChecked', function(event){

  alert(event.type + ' callback');

});

```



`ifCreated` callback should be binded before plugin init.



Methods

-------



These methods can be used to make changes programmatically (any selectors can be used):



```js

// change input's state to 'checked'

$('input').iCheck('check');



// remove 'checked' state

$('input').iCheck('uncheck');



// toggle 'checked' state

$('input').iCheck('toggle');



// change input's state to 'disabled'

$('input').iCheck('disable');



// remove 'disabled' state

$('input').iCheck('enable');



// change input's state to 'indeterminate'

$('input').iCheck('indeterminate');



// remove 'indeterminate' state

$('input').iCheck('determinate');



// apply input changes, which were done outside the plugin

$('input').iCheck('update');



// remove all traces of iCheck

$('input').iCheck('destroy');

```



You may also specify some function, that will be executed on each method call:



```js

$('input').iCheck('check', function(){

  alert('Well done, Sir');

});

```



Feel free to fork and submit pull-request or submit an issue if you find something not working.



Comparison

----------



iCheck is created to avoid routine of reinventing the wheel when working with checkboxes and radio buttons. It provides an expected identical result for the huge number of browsers, devices and their versions. Callbacks and methods can be used to easily handle and make changes at customized inputs.



There are some CSS3 ways available to style checkboxes and radio buttons, like [this one](http://webdesign.tutsplus.com/tutorials/htmlcss-tutorials/quick-tip-easy-css3-checkboxes-and-radio-buttons/). You have to know about some of the disadvantages of similar methods:



* inputs are keyboard inaccessible, since `display: none` or `visibility: hidden` used to hide them

* poor browser support

* multiple bugs on mobile devices

* tricky, harder to maintain CSS code

* JavaScript is still needed to fix specific issues



While CSS3 method is quite limited solution, iCheck is made to be an everyday replacement covering most of the tasks.



Browser support

---------------



iCheck is verified to work in Internet Explorer 6+, Firefox 2+, Opera 9+, Google Chrome and Safari browsers. Should also work in many others.



Mobile browsers (like Opera mini, Chrome mobile, Safari mobile, Android browser, Silk and others) are also supported. Tested on iOS (iPad, iPhone, iPod), Android, BlackBerry and Windows Phone devices.



Changelog

---------------



## October 10, 2020



* iOS 13 support @markusbroman

* Reformatted changelog @lasseeee

* Fire change event when toggled @rafatmyo



### March 03, 2014



* Better HiDPI screens support @ddctd143



### January 23, 2014 ([v2.0 release candidate](https://github.com/fronteed/icheck/tree/2.x))



* Three ways to set an options: global object (`window.icheck`), data attributes (`