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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>CounterAct for Reveal.js</title>
<meta name="description" content="">
<meta name="author" content="Martinomagnifico">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<link rel="stylesheet" href="../dist/reset.css">
<link rel="stylesheet" href="../dist/reveal.css">
<link rel="stylesheet" href="../dist/theme/black.css">
<link rel="stylesheet" href="../plugin/highlight/monokai.css">
<link rel="stylesheet" href="css/demo.css">
<style>
[data-count-titlecount]:after {
content: attr(data-count-titlecount);
background: #42affa;
display: inline-block;
border-radius: 42px;
width: 1.20em;
height: 1.20em;
line-height: 1.25em;
margin-left: 0.25em;
}
figcaption:after {
content: " " attr(data-count-figcaption);
color: #42affa;
font-weight: bold;
}
ol.list,
ol.stoplist {
padding-left: 0;
margin-left: 0;
list-style: none;
}
ol.list li:before {
content: attr(data-count-mylist) ". ";
color: #42affa;
font-weight: bold;
}
ol.stoplist li:before {
content: attr(data-count-stoplist) ". ";
color: #42affa;
font-weight: bold;
}
h4[data-count-mainnumber]:before {
content: attr(data-count-mainnumber) ". ";
color: #42affa;
font-weight: bold;
}
section h4[data-count-mainnumber][data-count-subnumber]:before {
content: attr(data-count-mainnumber) "." attr(data-count-subnumber) ". ";
}
</style>
</head>
<body>
<div class="reveal"><a class="github-corner" href="https://github.com/Martinomagnifico/reveal.js-counteract" target="blank" title="View source on GitHub">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 55 55">
<path fill="currentColor" d="M27.5 11.2a16.3 16.3 0 0 0-5.1 31.7c.8.2 1.1-.3 1.1-.7v-2.8c-4.5 1-5.5-2.2-5.5-2.2-.7-1.9-1.8-2.4-1.8-2.4-1.5-1 .1-1 .1-1 1.6.1 2.5 1.7 2.5 1.7 1.5 2.5 3.8 1.8 4.7 1.4.2-1 .6-1.8 1-2.2-3.5-.4-7.3-1.8-7.3-8 0-1.8.6-3.3 1.6-4.4-.1-.5-.7-2.1.2-4.4 0 0 1.4-.4 4.5 1.7a15.6 15.6 0 0 1 8.1 0c3.1-2 4.5-1.7 4.5-1.7.9 2.3.3 4 .2 4.4 1 1 1.6 2.6 1.6 4.3 0 6.3-3.8 7.7-7.4 8 .6.6 1.1 1.6 1.1 3v4.6c0 .4.3.9 1.1.7a16.3 16.3 0 0 0-5.2-31.7"></path>
</svg></a>
<div class="slides">
<section class="center">
<h1>CounterAct</h1>
<h4>A <span class="titlecount">counter</span> for Reveal.js</h4>
</section>
<section class="center">
<h3>Why?</h3>
<p>Reveal.js optimises the performance of presentations by hiding slides that are more than a few steps in the future. </p>
<p>As per the CSS specification, CSS counters simply don’t work in slides that have <code>display: none</code>. </p>
</section>
<section class="center">
<h3>How?</h3>
<p>CounterAct goes around this limitation by using data-attributes on the elements that you want to count. </p>
<p>Similar to CSS counters, CounterAct lets you define counters. This way, you can have nice numbers in your presentation again.</p>
</section>
<section class="center">
<h2>Example</h2>
</section>
<section>
<h3>Counting occurences</h3>
<p class="small">Counting occurences will count up across all slides.</p>
<div class="example">
<figcaption>This is figcaption number</figcaption>
<figcaption>This is figcaption number</figcaption>
</div>
<div class="row">
<div class="col">
<p class="small left">Plugin config:</p>
<pre><code class="hljs javascript">counters: [
{
name: 'figcaption',
selector : 'figcaption'
}
]</code></pre>
</div>
<div class="col">
<p class="small left">CSS:</p>
<pre><code class="hljs css">figcaption:after {
content: " " attr(data-count-figcaption);
color: #42affa;
font-weight: bold;
}</code></pre>
</div>
</div>
</section>
<section>
<h3>Counting in lists</h3>
<p class="small">In and across lists and slides, these keep counting up.</p>
<div class="row example">
<div class="col">
<p class="left" style="margin-top: 0; margin-bottom: 0.2em">A list</p>
<ol class="list">
<li>List item</li>
<li>List item</li>
</ol>
</div>
<div class="col">
<p class="left" style="margin-top: 0; margin-bottom: 0.2em">An other list</p>
<ol class="list">
<li>List item</li>
<li>List item</li>
</ol>
</div>
</div>
<div class="row">
<div class="col">
<p class="small left">Plugin config:</p>
<pre><code class="hljs javascript">counters: [
{
name: 'mylist',
selector : 'ol.list li'
}
]</code></pre>
</div>
<div class="col">
<p class="small left">CSS:</p>
<pre><code class="hljs css">ol.list {
list-style: none;
}
ol.list li:before {
content: attr(data-count-mylist) ". " ;
color: #42affa;
}</code></pre>
</div>
</div>
</section>
<section>
<h3>Resetting counters</h3>
<p class="small">Resets must be parents of selectors.</p>
<div class="row example">
<div class="col">
<p class="left" style="margin-top: 0; margin-bottom: 0.2em">A list</p>
<ol class="stoplist">
<li>List item</li>
<li>List item</li>
</ol>
</div>
<div class="col">
<p class="left" style="margin-top: 0; margin-bottom: 0.2em">An other list</p>
<ol class="stoplist">
<li>List item</li>
<li>List item</li>
</ol>
</div>
</div>
<div class="row">
<div class="col">
<p class="small left">Plugin config:</p>
<pre><code class="hljs javascript">counters: [
{
name: 'stoplist',
selector : 'ol.stoplist li',
reset : 'ol.stoplist'
}
]</code></pre>
</div>
<div class="col">
<p class="small left">CSS:</p>
<pre><code class="hljs css">ol.stoplist {
list-style: none;
}
ol.stoplist li:before {
content: attr(data-count-stoplist) ". " ;
color: #42affa;
}</code></pre>
</div>
</div>
</section>
<section class="countme center">
<h3>Incrementing with other elements</h3>
<div class="example">
<h4 class="countme">This h4 is counted</h4>
</div>
<div class="row">
<div class="col">
<p class="small left">Plugin config:</p>
<pre><code class="hljs javascript">counters: [
{
name: 'mainnumber',
increment: '.slides > section.countme',
selector : 'h4.countme'
}
]</code></pre>
</div>
<div class="col">
<p class="small left">CSS:</p>
<pre><code class="hljs css">h4[data-count-mainnumber]:before {
content: attr(data-count-mainnumber) ". ";
color: #42affa;
}</code></pre>
</div>
</div>
<p class="small">Specifying the data-attribute on the H4, instead of just the .countme class, makes sure that you target the H4's where the counters are added.</p>
</section>
<section class="countme center">
<p class="small">Increments must be parents of selectors and children of resets.</p>
<div class="example">
<h4 class="countme">This h4 is also counted</h4>
</div>
</section>
<section class="countme center">
<section class="center">
<h3>Combine increment and reset</h3>
<div class="example">
<h4 class="countme">This h4 has two counters</h4>
</div>
<div class="row">
<div class="col">
<p class="small left">Plugin config:</p>
<pre><code class="hljs javascript">counters: [
{
name: 'mainnumber',
increment: '.slides > section.countme',
selector : 'h4.countme'
},
{
name: 'subnumber',
increment: '.slides > section section',
selector : 'h4.countme',
reset: '.slides > section'
}
]</code></pre>
</div>
<div class="col">
<p class="small left">CSS:</p>
<pre><code class="hljs css">h4[data-count-mainnumber]:before {
content: attr(data-count-mainnumber) ". ";
color: #42affa;
}
section h4[data-count-mainnumber][data-count-subnumber]:before {
content: attr(data-count-mainnumber) "." attr(data-count-subnumber) ". " ;
}
</code></pre>
</div>
</div>
</section>
<section class="center">
<div class="example">
<h4 class="countme">And this one as well</h4>
</div>
<p class="small">By combining increments and resets, you can count things like vertical sections, and sections inside them. If sections are hidden with <code>data-visibility</code>, they will not increment or add to the count of selectors in them.</p>
</section>
</section>
<section class="countme center">
<h4 class="countme">Happy counting!</h4>
</section>
</div>
</div>
<script src="../dist/reveal.js"></script>
<script src="plugin/counteract/counteract.js"></script>
<script src="../plugin/highlight/highlight.js"></script>
<script>
Reveal.initialize({
transition: "slide",
counteract: {
counters: [{
name: "titlecount",
selector: ".titlecount"
},
{
name: "mylist",
selector: "ol.list li"
},
{
name: "stoplist",
selector: "ol.stoplist li",
reset: "ol.stoplist"
},
{
name: "figcaption",
selector: "figcaption"
},
{
name: "mainnumber",
increment: ".slides > section.countme",
selector: "h4.countme",
reset: ".slides"
},
{
name: "subnumber",
increment: ".slides > section section",
selector: "h4.countme",
reset: ".slides > section"
}
]
},
plugins: [
CounterAct,
RevealHighlight
]
});
</script>
</body>
</html>