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.