-
Notifications
You must be signed in to change notification settings - Fork 5
/
linked-product-cards.html
463 lines (388 loc) · 13.6 KB
/
linked-product-cards.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
<!DOCTYPE html>
<html lang="en">
<head>
<title>Slick Slider - linked product cards accessible boilerplate</title>
<link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/slick.css">
<link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/slick-theme.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css">
<meta name="description" content="Pre-built code sample for an accessible carousel of linked product cards using Slick Slider.">
<meta name="keywords" content="accessible, accessibility, WCAG, carousel, slider, Slick, jQuery, cards, template, boilerplate">
<!-- Open Graph -->
<meta property="og:title" content="Slick Slider - linked product cards accessible boilerplate">
<meta property="og:description" content="Pre-built code sample for an accessible carousel of linked product cards using Slick Slider.">
<meta property="og:type" content="website">
<!-- Twitter Card -->
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Slick Slider - linked product cards accessible boilerplate">
<meta name="twitter:description" content="Pre-built code sample for an accessible carousel of linked product cards using Slick Slider.">
<meta name="twitter:creator" content="Accessible_360">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=yes">
</head>
<body>
<main>
<section class="carousel" aria-label="carousel with product cards">
<p class="sr-only">This is a carousel with rotating cards. Use the previous and next buttons to navigate, and Enter to activate cards.</p>
<!-- Previous button -->
<button class="button is-control previous-button">
<span class="fas fa-angle-left" aria-hidden="true"></span>
<span class="sr-only">Previous slide</span>
</button>
<!-- Slide content -->
<div class="cards">
<div class="card" role="group" aria-label="card 1 of 5">
<a href="https://accessible360.com" target="_blank">
<div class="image">
<img src="../images/galina-n-300x300.jpg" class="product-image" alt="">
</div>
<h2 class="title">First product</h2>
</a>
<div class="content">
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
<div class="price">
<!-- add "now"? -->
<span class="new-price">$9.99</span>
<span class="original-price">
<span class="sr-only">Originally:</span>
$100.00
</span>
</div>
</div>
</div>
<div class="card" role="group" aria-label="card 2 of 5">
<a href="https://accessible360.com" target="_blank">
<div class="image">
<img src="../images/curology-300x300.jpg" class="product-image" alt="">
</div>
<h2 class="title">Second product</h2>
</a>
<div class="content">
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
<div class="price">
<span class="new-price">$9.99</span>
<span class="original-price">
<span class="sr-only">Originally:</span>
$100.00
</span>
</div>
</div>
</div>
<div class="card" role="group" aria-label="card 3 of 5">
<a href="https://accessible360.com" target="_blank">
<div class="image">
<img src="../images/imani-clovis-300x300.jpg" class="product-image" alt="">
</div>
<h2 class="title">Third product</h2>
</a>
<div class="content">
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
<div class="price">
<span class="new-price">$9.99</span>
<span class="original-price">
<span class="sr-only">Originally:</span>
$100.00
</span>
</div>
</div>
</div>
<div class="card" role="group" aria-label="card 4 of 5">
<a href="https://accessible360.com" target="_blank">
<div class="image">
<img src="../images/rachit-tank-300x300.jpg" class="product-image" alt="">
</div>
<h2 class="title">Fourth product</h2>
</a>
<div class="content">
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
<div class="price">
<span class="new-price">$9.99</span>
<span class="original-price">
<span class="sr-only">Originally:</span>
$100.00
</span>
</div>
</div>
</div>
<div class="card" role="group" aria-label="card 5 of 5">
<a href="https://accessible360.com" target="_blank">
<div class="image">
<img src="../images/deanna-alys-300x300.jpg" class="product-image" alt="">
</div>
<h2 class="title">Fifth product</h2>
</a>
<div class="content">
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
<div class="price">
<span class="new-price">$9.99</span>
<span class="original-price">
<span class="sr-only">Originally:</span>
$100.00
</span>
</div>
</div>
</div>
</div>
<!-- Next button -->
<button class="button is-control next-button">
<span class="fas fa-angle-right" aria-hidden="true"></span>
<span class="sr-only">Next slide</span>
</button>
</section>
<a href="https://accessible360.com" class="credits" target="_blank">
Built by <b><u>Accessible360</u></b> <img src="https://assets.codepen.io/3609497/accessible360-logo-black.png" alt="">
</a>
</main>
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script src="https://cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/slick.min.js"></script>
<script>
var cards, hiddenCards;
window.addEventListener('DOMContentLoaded', function(e) {
cards = document.querySelectorAll('.cards .card');
/**
When Slick is initialized, retrieve the card DOM elements and make each card clickable as though it were a link.
*/
$('.carousel .cards').on('init', function(e, slick) {
// Ensure that all non-visible slides are impossible to reach.
hideNonVisibleCards();
// When a card is clicked, navigate to it's intended URL as though it was one big link.
cards.forEach(function(card) {
card.addEventListener('click', function(e) {
window.open(
card.querySelector('a').getAttribute('href'),
'_blank'
);
});
});
});
/**
When a transition happens, ensure all non-visible slides are fully hidden
*/
$('.carousel .cards').on('afterChange', function(e, slick, currentSlide, nextSlide) {
hideNonVisibleCards();
});
/**
Initialize Slick Slider with recommended configuration options
*/
$('.carousel .cards').slick({
// This removes the inappropriate tabpanel and tab roles and disables arrow key navigation.
// NOTE: if you want to use arrow key navigation, you should implement that separately without enabling this option. The usability benefits of key navigation don't outweigh the accessibility impact of the tab implementation.
accessibility: false,
// Use highly-accessible custom elements for prev/next buttons.
// NOTE: You can also define the elements here as strings, if you prefer
prevArrow: document.querySelector('.carousel .previous-button'),
nextArrow: document.querySelector('.carousel .next-button'),
// Becase each card is clickable, drag functionality doesn't work well. When you lift your mouse the link is activated.
draggable: false,
// Show multiple slides
slidesToShow: 3,
// Not necessary for accessibility, but these setting breakpoints help with our embeds look nicer
responsive: [
{
breakpoint: 575,
settings: {
slidesToShow: 2
}
},
{
breakpoint: 375,
settings: {
slidesToShow: 1
}
}
]
});
});
/**
Fully hide non-visible tiles by adding tabindex="-1" when they go out of view
*/
function hideNonVisibleCards() {
// Update our list of hidden cards so we know which to properly hide
hiddenCards = document.querySelectorAll('.cards .card[aria-hidden="true"]');
// Reset tabindex for all card contents so they are reachable for keyboard users
cards.forEach(function(card) {
card.querySelectorAll('a, button').forEach(function(focusableElement) {
focusableElement.removeAttribute('tabindex');
});
});
// Make hidden tiles impossible to reach via keyboard
hiddenCards.forEach(function(card) {
card.querySelectorAll('a, button').forEach(function(focusableElement) {
focusableElement.setAttribute('tabindex', -1);
});
});
}
</script>
<style>
/**
Setup for code demo only
*/
:root {
--card-width: 200px;
--card-margin: 15px;
--carousel-height: 240px;
}
body {
margin: 10px;
font-family: Arial, Helvetica, sans-serif;
}
/**
Container
*/
.carousel {
position: relative;
max-width: 700px;
}
/**
Controls (previous/next buttons)
*/
.button.is-control {
background: 0;
border: 0;
padding: 0 10px;
z-index: 1;
cursor: pointer;
font-size: 40px;
color: rgba(0,0,0,.6);
transition: all .2s linear;
}
.button.is-control:hover {
color: rgba(0,0,0,1);
}
.button.is-control:focus {
outline: none;
background-color: rgba(0,0,0,.8);
color: rgba(255,255,255,1);
border-radius: 5px;
}
.previous-button {
position: absolute;
left: 0;
top: calc(var(--carousel-height) / 2 - 30px);
}
.next-button {
position: absolute;
right: 0;
top: calc(var(--carousel-height) / 2 - 30px);
}
/**
Collection of all tiles
*/
.cards {
width: calc(100% - 100px);
margin-left: 50px;
}
.slick-track {
padding: 2px;
}
/**
Single card
*/
.card {
position: relative;
overflow: hidden;
border-radius: 3px;
border: 1px solid rgba(0,0,0,.2);
text-decoration: none;
color: rgba(0,0,0,.9);
cursor: pointer;
transition: all .1s linear;
}
.card:not(:last-of-type) {
margin-right: var(--card-margin);
}
.card a {
text-decoration: none;
}
.card .image {
height: 100px;
padding: 2px;
overflow: hidden;
}
.card .image img {
width: 100%;
height: 100%;
object-fit: cover;
filter: grayscale(.5);
}
.card .title {
margin: 0;
padding: 10px 10px 5px 10px;
font-size: 16px;
font-weight: bold;
color: #000;
}
.card .content {
padding: 0 10px 40px 10px;
transition: color .1s linear;
}
.card .content p {
margin: 7px 0;
font-size: 14px;
opacity: .8;
}
.card .content .price {
position: absolute;
bottom: 8px;
}
.card .content .price .new-price {
font-weight: bold;
}
.card .content .price .original-price {
margin-left: 5px;
font-size: 14px;
font-style: italic;
opacity: .5;
text-decoration: line-through;
}
/* Hover state = add box shadow, underline the title */
.card:hover {
border-color: rgba(0,0,0,.4);
box-shadow: 0 0 10px 0 rgba(0,0,0,.15);
}
.card:hover .image img,
.card:focus .image img {
filter: grayscale(0);
}
.card:hover .title {
text-decoration: underline;
}
.card a:focus {
outline: none;
}
/* Focus state = turn text blue, add large blue outline */
/* NOTE: :focus-within is not supported in IE11 or Edge as of Jan 2020. To add support, use a polyfill such as https://github.com/matteobad/focus-within-polyfill */
.card:focus-within {
border-color: hsl(204, 86%, 53%);
box-shadow: 0 0 0 2px hsl(204, 86%, 53%);
}
.card:focus-within .title,
.card:focus-within .content {
color: hsl(217, 71%, 53%);
}
.card:focus-within .title {
text-decoration: underline;
}
/** Credits at bottom */
.credits {
display: inline-block;
margin-top: 20px;
margin-left: 40px;
padding: 10px;
font-size: 14px;
color: black;
text-decoration: none;
opacity: .7;
}
.credits img {
height: 30px;
margin-left: 5px;
margin-top: -2px;
vertical-align: middle;
}
.credits:hover,
.credits:focus {
opacity: 1;
}
</style>
</body>
</html>