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catalog.html
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<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="buzz.js"></script>
</head>
<body>
<ul>
<li class="item" data-item="0815">
<div><b>ITEM: 0815</b></div>
<div class="price"></div>
<div class="availability"></div>
<div class="basket" >
<a style="display:none" data-item="0815">Add to Basket</a>
</div>
</li>
</ul>
<script type="text/javascript">
const catalog = new buzz.Connector({
name: 'catalog'
});
catalog.queryCapability('item', function() {
document.querySelectorAll('.item').forEach(function(node) {
catalog.call('item', {}, {item: node.dataset['item']}, function(response) {
node.querySelector('.price').textContent = response.payload().price;
node.querySelector('.availability').textContent = response.payload().availability;
});
});
});
catalog.queryCapability('basket', function() {
document.querySelectorAll('.item .basket a').forEach(function(node) {
node.style.display = 'inline';
node.style.cursor = 'pointer';
node.addEventListener('click', function() {
catalog.sendMessage('basket', {}, {item: node.dataset['item']});
});
});
});
</script>
</body>
</html>