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<head>
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<meta charset="utf-8">
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<title>$.noConflict</title>
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<meta name="author" content="Julio Biason">
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<link rel="stylesheet" href="_external/default.css" id="theme">
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<link rel="stylesheet" href="_external/zenburn.css">
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}
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<!--[if lt IE 9]>
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<script src="reveal.js/lib/js/html5shiv.js"></script>
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<![endif]-->
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<style>
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.semi-opaque {
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background-color: rgba(0, 0, 0, 0.7);
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}
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* {
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hyphens: none !important;
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-moz-hyphens: none !important;
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}
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p.first {
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background-color: #007700;
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}
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p.second {
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background-color: #0000ff;
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}
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p.third {
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background-color: #770000;
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}
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</style>
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<script>
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function getVersion(variable) {
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try {
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return variable.fn.jquery;
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} catch (e) {
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return e.toString();
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}
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}
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</script>
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</head>
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<body>
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<div class="reveal">
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<!-- Any section element inside of this container is displayed as a slide -->
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<div class="slides">
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<section data-background='_images/jquery_noconflict.jpg'>
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</section>
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<section>
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<h2>O que é $.noConflict</h2>
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<p class='fragment'>
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Uma função do jQuery para evitar
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conflitos com outras bibliotecas que
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usem "<code>$</code>" como variável.
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</p>
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<p class='fragment'>
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... incluindo o próprio jQuery.
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</p>
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</section>
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<section>
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<h2>Como funciona?</h2>
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<p class='fragment'>
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Quando o jQuery é carregado, ele verifica se
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"<code>$</code>" já está definido e guarda internamente.
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</p>
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<p class='fragment'>
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Chamando <code>$.noConflict()</code> restaura o
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"<code>$</code>" original. "<code>$</code>" deixa
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de ser um alías para "<code>jQuery</code>".
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</p>
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</section>
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<section>
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<section>
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<h2>Como Usar?</h2>
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</section>
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<section>
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<h2>... mas antes...</h2>
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<pre><code class='javascript'>
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function getVersion(variable) {
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try {
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return variable.fn.jquery;
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} catch (e) {
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return e.toString();
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}
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}
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</code></pre>
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</section>
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<section>
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<div style='font-size:150%'>
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<pre><code class='javascript' data-trim>
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$.noConflict();
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</code></pre>
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</div>
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<ul>
|
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<li>Se havia alguma biblioteca usando "<code>$</code>", ela volta
|
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|
|
a ser usada com "<code>$</code>".</li>
|
|
|
|
|
<li>jQuery deixa de ser "<code>$</code>".</li>
|
|
|
|
|
<li>jQuery ainda está disponível como "<code>jQuery</code>".</li>
|
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|
|
</ul>
|
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|
|
</section>
|
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|
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|
<section>
|
|
|
|
|
<p class='first'>
|
|
|
|
|
$.fn.jquery: <span id='ex-1-1'></span>
|
|
|
|
|
</p>
|
|
|
|
|
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|
|
<p class='second'>
|
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|
|
|
jQuery.fn.jquery: <span id='ex-1-2'></span>
|
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|
</p>
|
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|
|
|
<script src='http://code.jquery.com/jquery-1.11.1.min.js'></script>
|
|
|
|
|
<script>$.noConflict();</script>
|
|
|
|
|
<script>
|
|
|
|
|
document.getElementById('ex-1-1').innerHTML = getVersion($);
|
|
|
|
|
document.getElementById('ex-1-2').innerHTML = getVersion(jQuery);
|
|
|
|
|
</script>
|
|
|
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|
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|
<pre><code class='javascript' data-trim>
|
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|
|
<p class='first'>
|
|
|
|
|
$.fn.jquery: <span id='ex-1-1'></span>
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
<p class='second'>
|
|
|
|
|
jQuery.fn.jquery: <span id='ex-1-2'></span>
|
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|
|
|
</p>
|
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|
|
|
|
|
|
|
<script src='http://code.jquery.com/jquery-1.11.1.min.js'></script>
|
|
|
|
|
<script>$.noConflict();</script>
|
|
|
|
|
<script>
|
|
|
|
|
document.getElementById('ex-1-1').innerHTML = getVersion($);
|
|
|
|
|
document.getElementById('ex-1-2').innerHTML = getVersion(jQuery);
|
|
|
|
|
</script>
|
|
|
|
|
</code></pre>
|
|
|
|
|
</section>
|
|
|
|
|
|
|
|
|
|
<section>
|
|
|
|
|
<div style='font-size:150%'>
|
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|
|
|
<pre><code class='javascript' data-trim>
|
|
|
|
|
<script src='jquery.min.js'></script>
|
|
|
|
|
<script>
|
|
|
|
|
var $novojQuery = $.noConflict();
|
|
|
|
|
</script>
|
|
|
|
|
</code></pre>
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<ul>
|
|
|
|
|
<li>Se havia alguma biblioteca usando "<code>$</code>", ela volta
|
|
|
|
|
a ser usada com "<code>$</code>".</li>
|
|
|
|
|
<li>jQuery deixa de ser "<code>$</code>".</li>
|
|
|
|
|
<li>jQuery ainda está disponível como "<code>jQuery</code>" e
|
|
|
|
|
"<code>$novojQuery</code>".</li>
|
|
|
|
|
</ul>
|
|
|
|
|
</section>
|
|
|
|
|
|
|
|
|
|
<section>
|
|
|
|
|
<p class='first'>
|
|
|
|
|
$.fn.jquery: <span id='ex-2-1'></span>
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
<p class='second'>
|
|
|
|
|
jquery.fn.jquery: <span id='ex-2-2'></span>
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
<p class='third'>
|
|
|
|
|
novojQuery.fn.jquery: <span id='ex-2-3'></span>
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
<script src='http://code.jquery.com/jquery-1.11.1.min.js'></script>
|
|
|
|
|
<script src='http://code.jquery.com/jquery-2.1.1.min.js'></script>
|
|
|
|
|
<script>
|
|
|
|
|
var novojQuery = $.noConflict();
|
|
|
|
|
document.getElementById('ex-2-1').innerHTML = getVersion($);
|
|
|
|
|
document.getElementById('ex-2-2').innerHTML = getVersion(jQuery);
|
|
|
|
|
document.getElementById('ex-2-3').innerHTML = getVersion(novojQuery);
|
|
|
|
|
</script>
|
|
|
|
|
|
|
|
|
|
<pre><code class='html' data-trim>
|
|
|
|
|
<p class='first'>$.fn.jquery: <span id='ex-2-1'></span></p>
|
|
|
|
|
<p class='second'>jquery.fn.jquery: <span id='ex-2-2'></span></p>
|
|
|
|
|
<p class='third'>novojQuery.fn.jquery: <span id='ex-2-3'></span></p>
|
|
|
|
|
|
|
|
|
|
<script src='http://code.jquery.com/jquery-1.11.1.min.js'></script>
|
|
|
|
|
<script src='http://code.jquery.com/jquery-2.1.1.min.js'></script>
|
|
|
|
|
<script>
|
|
|
|
|
var novojQuery = $.noConflict();
|
|
|
|
|
document.getElementById('ex-2-1').innerHTML = getVersion($);
|
|
|
|
|
document.getElementById('ex-2-2').innerHTML = getVersion(jQuery);
|
|
|
|
|
document.getElementById('ex-2-3').innerHTML = getVersion(novojQuery);
|
|
|
|
|
</script>
|
|
|
|
|
</code></pre>
|
|
|
|
|
|
|
|
|
|
</section>
|
|
|
|
|
|
|
|
|
|
<section>
|
|
|
|
|
<div style='font-size:150%'>
|
|
|
|
|
<pre><code class='javascript' data-trim>
|
|
|
|
|
<script src='http://code.jquery.com/jquery-1.11.1.min.js'></script>
|
|
|
|
|
<script src='http://code.jquery.com/jquery-2.1.1.min.js'></script>
|
|
|
|
|
<script>
|
|
|
|
|
$.noConflict();
|
|
|
|
|
(function ($) {
|
|
|
|
|
// jQuery está disponível como "$"
|
|
|
|
|
})(jQuery));
|
|
|
|
|
</script>
|
|
|
|
|
</code></pre>
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<ul>
|
|
|
|
|
<li>Na verdade, cria uma função anônima que recebe
|
|
|
|
|
o parâmetro "<code>$</code>" e chama esta função
|
|
|
|
|
passando o jQuery.</li>
|
|
|
|
|
<li>O resultado é que, dentro da função, o jQuery parece
|
|
|
|
|
ser o mesmo velho jQuery de sempre.</li>
|
|
|
|
|
</ul>
|
|
|
|
|
</section>
|
|
|
|
|
|
|
|
|
|
<section>
|
|
|
|
|
<p class='first'>$.fn.jquery: <span id='ex-3-1'></span></p>
|
|
|
|
|
<p class='second'>function ($): <span id='ex-3-2'></span></p>
|
|
|
|
|
|
|
|
|
|
<script src='http://code.jquery.com/jquery-1.11.1.min.js'></script>
|
|
|
|
|
<script src='http://code.jquery.com/jquery-2.1.1.min.js'></script>
|
|
|
|
|
<script>
|
|
|
|
|
$.noConflict();
|
|
|
|
|
(function ($) {
|
|
|
|
|
document.getElementById('ex-3-2').innerHTML = getVersion($);
|
|
|
|
|
})(jQuery);
|
|
|
|
|
document.getElementById('ex-3-1').innerHTML = getVersion($);
|
|
|
|
|
</script>
|
|
|
|
|
|
|
|
|
|
<pre><code class='html' data-trim>
|
|
|
|
|
<p class='first'>$.fn.jquery: <span id='ex-3-1'></span></p>
|
|
|
|
|
<p class='second'>function ($): <span id='ex-3-2'></span></p>
|
|
|
|
|
|
|
|
|
|
<script src='http://code.jquery.com/jquery-1.11.1.min.js'></script>
|
|
|
|
|
<script src='http://code.jquery.com/jquery-2.1.1.min.js'></script>
|
|
|
|
|
<script>
|
|
|
|
|
$.noConflict();
|
|
|
|
|
(function ($) {
|
|
|
|
|
document.getElementById('ex-3-2').innerHTML = getVersion($);
|
|
|
|
|
})(jQuery);
|
|
|
|
|
document.getElementById('ex-3-1').innerHTML = getVersion($);
|
|
|
|
|
</script>
|
|
|
|
|
</code></pre>
|
|
|
|
|
</section>
|
|
|
|
|
|
|
|
|
|
<section>
|
|
|
|
|
<div style='font-size:150%'>
|
|
|
|
|
<pre><code class='javascript' data-trim>
|
|
|
|
|
<script src='http://code.jquery.com/jquery-1.11.1.min.js'></script>
|
|
|
|
|
<script src='http://code.jquery.com/jquery-2.1.1.min.js'></script>
|
|
|
|
|
<script>
|
|
|
|
|
$.noConflict();
|
|
|
|
|
jQuery(document).ready(function ($) {
|
|
|
|
|
// jQuery está disponível aqui como "$";
|
|
|
|
|
});
|
|
|
|
|
// outra biblioteca disponível como "$" aqui.
|
|
|
|
|
</script>
|
|
|
|
|
</code></pre>
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<ul>
|
|
|
|
|
<li>jQuery aparece como "<code>$</code>" apenas
|
|
|
|
|
dentro da função.</li>
|
|
|
|
|
</ul>
|
|
|
|
|
</section>
|
|
|
|
|
</section>
|
|
|
|
|
|
|
|
|
|
<section data-background='_images/thats-all-folks.jpg'>
|
|
|
|
|
<section></section>
|
|
|
|
|
</section>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
<script src="_external/head.min.js"></script>
|
|
|
|
|
<script src="_external/reveal.min.js"></script>
|
|
|
|
|
|
|
|
|
|
<script>
|
|
|
|
|
|
|
|
|
|
// Full list of configuration options available here:
|
|
|
|
|
// https://github.com/hakimel/reveal.js#configuration
|
|
|
|
|
Reveal.initialize({
|
|
|
|
|
controls: true,
|
|
|
|
|
progress: true,
|
|
|
|
|
history: true,
|
|
|
|
|
center: true,
|
|
|
|
|
|
|
|
|
|
theme: 'default',
|
|
|
|
|
transition: 'linear',
|
|
|
|
|
|
|
|
|
|
// Optional libraries used to extend on reveal.js
|
|
|
|
|
dependencies: [
|
|
|
|
|
{ src: '_external/classList.js', condition: function() { return !document.body.classList; } },
|
|
|
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|
{ src: '_external/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: '_external/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: '_external/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
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{ src: '_external/zoom.js', async: true, condition: function() { return !!document.body.classList; } },
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{ src: '_external/notes.js', async: true, condition: function() { return !!document.body.classList; } }
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]
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});
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</script>
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</body>
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</html>
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