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sarat246/carousel a11y.markdown - accessibility

Forked from johnjv/carousel a11y.markdown
Created September 16, 2016 03:02
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carousel a11y
Raw
index.html
<div class="carousel-wrapper">
<div class="carousel" id="carousel" aria-live="polite">
<ul class="carousel-content">
<li aria-hidden="false" class="carousel-item" id="item-1">
<div class="carousel-item-content">
<h2>Item 1</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute
irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
</div>
</li>
<li aria-hidden="true" class="carousel-item hidden" id="item-2">
<div class="carousel-item-content">
<h2>Item 2</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute
irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
</div>
</li>
<li aria-hidden="true" class="carousel-item hidden" id="item-3">
<div class="carousel-item-content">
<h2>Item 3</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute
irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
</div>
</li>
<li aria-hidden="true" class="carousel-item hidden" id="item-4">
<div class="carousel-item-content">
<h2>Item 4</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute
irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
</div>
</li>
<li aria-hidden="true" class="carousel-item hidden" id="item-5">
<div class="carousel-item-content">
<h2>Item 5</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute
irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
</div>
</li>
</ul>
</div>
<fieldset aria-label="carousel buttons" class="carousel-controls" aria-controls="carousel">
<button value="pause" id="pause" aria-label="pause" class="carousel-control">||</button>
<button value="play" id="play" class="carousel-control">play</button>
<button value="prev" aria-label="previous" id="prev" class="carousel-control">&lt;&lt;</button>
<button value="next" id="next" aria-label="next" class="carousel-control">&gt;&gt;</button>
</fieldset>
</div>
Raw
script.js
$(document).ready(function() {
var timer; //interval timer
var TRANSITION_TIME = 1000; // 1 second
var SLIDE_TIMEOUT = 4000; // 4 seconds
var currentSlide = 1;
var numSlides = 5;
timer = setInterval(function() {
$("button#next").click();
}, SLIDE_TIMEOUT);
function updateSlide() {
$("li.carousel-item").attr("aria-hidden", "true");
$("li.carousel-item").addClass("hidden");
if (currentSlide > numSlides) {
currentSlide = 1;
}
if (currentSlide === numSlides) {
currentSlide = numSlides;
}
$("li.carousel-item").eq(currentSlide - 1).attr("aria-hidden", "false");
$("li.carousel-item").eq(currentSlide - 1).removeClass("hidden");
}
document.querySelector("button#next").addEventListener('click', function(e) {
currentSlide += 1;
console.log("next button fired, current slide: " + currentSlide);
updateSlide();
});
document.querySelector("button#prev").addEventListener('click', function(e) {
currentSlide -= 1;
console.log("prev button fired, current slide: " + currentSlide);
updateSlide();
});
document.querySelector("button#pause").addEventListener('click', function(e) {
timer = window.clearInterval(timer);
e.preventDefault();
console.log("pause button fired, current slide: " + currentSlide);
return (false);
});
document.querySelector("button#play").addEventListener('click', function(e) {
console.log("play button fired, current slide: " + currentSlide);
timer = window.setInterval(function() {
$("button#next").click();
}, SLIDE_TIMEOUT);
});
// add keyboard accessibility for all buttons
$("button").keypress(function(e) {
if (e.which == 13) { // enter button
$(this).click();
e.preventDefault();
return (false);
}
});
});
Raw
scripts
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
Raw
style.css
html {
font-family: Helvetica;
}
.carousel-wrapper {
position: relative;
}
.carousel {
position: relative;
width: 100%;
height: 400px;
}
ul.carousel-content {
margin: 0px;
padding: 0px;
}
li.carousel-item {
position: absolute;
list-style: none;
height: 100%;
box-sizing: border-box;
padding: 2em;
}
li[aria-hidden='true'] {
display: none;
}
li[aria-hidden='false'] {
display:block ;
}
#item-1 {background: red; padding-right: 50%;}
#item-2 {background: blue; padding-left: 50%;}
#item-3 {background: green; padding-right: 50%;}
#item-4 {background: purple; padding-left: 50%;}
#item-5 {background: yellow; padding-right: 50%;}
.carousel-controls {
position: absolute;
bottom: 0px;
right: 0px;
}
.hidden {display:none;}
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