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Focusable
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Focusable is an awesome and lightweight library for performing spotlight in your DOM elements, setting an animated overlay to the rest of the page.
1. INCLUDE JS FILES
<script src="jquery-2.1.1.js"></script> <script src="https://rawgit.com/zzarcon/focusable/master/app/focus-element-overlay.js"></script>
2. HTML
<div class="example"> <header> <button class="show" data-selector="header">Focus header</button> <button class="show" data-selector="ul">Focus list</button> <button class="show" data-selector="li:first">Focus first item</button> <button class="show" data-selector="img">Focus image</button> </header> <ul> <li>1</li> <li>2</li> <li>3</li> <li>4</li> <li>5</li> <li>6</li> <li>7</li> <li>8</li> <li>9</li> <li>10</li> </ul> <img src="http://3.bp.blogspot.com/-NfpKVt4VUkQ/TyMSCfM8NAI/AAAAAAAACbc/RKhuR28izWg/s640/breakfast-at-tiffanys-audrey-hepburn-1961.jpg"> </div> <div class="options"> <h2>Options:</h2> <ul> <li>- fadeDuration (seconds) <input type="text" id="fade-duration" value="700"></li> <li>- hideOnClick <input type="checkbox" id="hide-on-click" checked></li> <li>- hideOnEsc <input type="checkbox" id="hide-on-esc" checked></li> <li>- findOnResize <input type="checkbox" id="find-on-resize"></li> </ul> </div>
3. JAVASCRIPT
(function() $(document).ready(init); function init() $('.show').on('click', show); $('.hide').on('click', hide); function show() var selector = $(this).attr('data-selector'); var options = getOptions(); Focusable.setFocus($(selector), options); function hide() Focusable.hide(); function getOptions() return fadeDuration: parseInt($('#fade-duration').val()), hideOnClick: $('#hide-on-click').is(':checked'), hideOnESC: $('#hide-on-esc').is(':checked'), findOnResize: $('#find-on-resize').is(':checked') ; )();
4. API
Set spotlight (jQuery style)
$('#my-element').setFocus(options);
Set spotlight (through library)
Focusable.setFocus($('#my-element'), options);
Refresh current focused element
Focusable.refresh();
Hide spotlight
Focusable.hide();
5. OPTIONS
Property Value Default Description fadeDuration Number 700 Duration of the overlay transition (milliseconds). hideOnClick Boolean false Hides the overlay when the user click into it. hideOnESC Boolean false Hides the overlay when the user press Esc. findOnResize Boolean false Refind the element in the DOM in case that the element don’t still exists.
