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# [iCheck plugin](http://fronteed.com/iCheck/) ^{[1.0.2](#march-03-2014)} #### 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.  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** &mdash; [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 <label> <input type="checkbox" name="quux[1]" disabled> Foo </label> <label for="baz[1]">Bar</label> <input type="radio" name="quux[2]" id="baz[1]" checked> <label for="baz[2]">Bar</label> <input type="radio" name="quux[2]" id="baz[2]"> ``` With default options you'll get nearly this: ```html <label> <div class="icheckbox disabled"> <input type="checkbox" name="quux[1]" disabled> </div> Foo </label> <label for="baz[1]">Bar</label> <div class="iradio checked"> <input type="radio" name="quux[2]" id="baz[1]" checked> </div> <label for="baz[2]">Bar</label> <div class="iradio"> <input type="radio" name="quux[2]" id="baz[2]"> </div> ``` **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" <input type="checkbox" indeterminate="true"> <input type="radio" indeterminate="true"> determinate="false" <input type="checkbox" determinate="false"> <input type="radio" 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. <table> <thead> <tr> <th>Callback name</th> <th>When used</th> </tr> </thead> <tbody> <tr> <td>ifClicked</td> <td>user clicked on a customized input or an assigned label</td> </tr> <tr> <td>ifChanged</td> <td>input's "checked", "disabled" or "indeterminate" state is changed</td> </tr> <tr> <td>ifChecked</td> <td>input's state is changed to "checked"</td> </tr> <tr> <td>ifUnchecked</td> <td>"checked" state is removed</td> </tr> <tr> <td>ifToggled</td> <td>input's "checked" state is changed</td> </tr> <tr> <td>ifDisabled</td> <td>input's state is changed to "disabled"</td> </tr> <tr> <td>ifEnabled</td> <td>"disabled" state is removed</td> </tr>