Fixed event tracking
Properly sends events for tracking clickthrough
This commit is contained in:
Angelos Chalaris
@ -56,7 +56,7 @@
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document.getElementById('doc-drawer-checkbox').checked = false;
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}
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}, false);
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}</script></head><body onload="loader()"><a href="https://github.com/Chalarangelo/30-seconds-of-code" onclick="ga('send', 'event', 'Ribbon', 'Click', 'Github Clickthrough', 1);"class="github-corner" aria-label="View source on Github"><svg width="56" height="56" viewBox="0 0 250 250" style="fill:#151513;color:#fff;position:fixed;top:0;border:0;right:0;z-index:1000" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin:130px 106px" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a><style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style><div id="splash"><h1 id="logo"><a href="./index"><img src="https://30secondsofcode.org/logos/logo_256.png" alt="logo"> 30 seconds of code</a></h1><p id="tagline">Curated collection of useful JavaScript snippets<br id="tagline-lg"/>that you can understand in 30 seconds or less.</p><p id="doc-link"><a href="./array" class="button">View collection</a></p></div><div class="container"><div class="row"><div class="col-sm-12 col-md-10 col-lg-8 col-md-offset-1 col-lg-offset-2"><h2 class="index-section">Snippets Archive</h2><p style="text-align:justify">These snippets, while useful and interesting, didn't quite make it into the repository due to either having very specific use-cases or being outdated. However we felt like they might still be useful to some readers, so here they are.</p><br/></div></div><div class="row"><div class="col-sm-12 col-md-10 col-lg-8 col-md-offset-1 col-lg-offset-2"><div class="card fluid"><h3 id="binarysearch.md" class="section double-padded">binarySearch</h3><div class="section double-padded"><p>Use recursion. Similar to <code>Array.indexOf()</code> that finds the index of a value within an array. The difference being this operation only works with sorted arrays which offers a major performance boost due to it's logarithmic nature when compared to a linear search or <code>Array.indexOf()</code>.</p><p>Search a sorted array by repeatedly dividing the search interval in half. Begin with an interval covering the whole array. If the value of the search is less than the item in the middle of the interval, recurse into the lower half. Otherwise recurse into the upper half. Repeatedly recurse until the value is found which is the mid or you've recursed to a point that is greater than the length which means the value doesn't exist and return <code>-1</code>.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">binarySearch</span> <span class="token operator">=</span> <span class="token punctuation">(</span>arr<span class="token punctuation">,</span> val<span class="token punctuation">,</span> start <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">,</span> end <span class="token operator">=</span> arr<span class="token punctuation">.</span>length <span class="token operator">-</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
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}</script></head><body onload="loader()"><a href="https://github.com/Chalarangelo/30-seconds-of-code" onclick="ga('gtag_UA_117141635_1.send', 'event', 'Ribbon', 'Click', 'Github Clickthrough', 1);"class="github-corner" aria-label="View source on Github"><svg width="56" height="56" viewBox="0 0 250 250" style="fill:#151513;color:#fff;position:fixed;top:0;border:0;right:0;z-index:1000" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin:130px 106px" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a><style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style><div id="splash"><h1 id="logo"><a href="./index"><img src="https://30secondsofcode.org/logos/logo_256.png" alt="logo"> 30 seconds of code</a></h1><p id="tagline">Curated collection of useful JavaScript snippets<br id="tagline-lg"/>that you can understand in 30 seconds or less.</p><p id="doc-link"><a href="./array" class="button">View collection</a></p></div><div class="container"><div class="row"><div class="col-sm-12 col-md-10 col-lg-8 col-md-offset-1 col-lg-offset-2"><h2 class="index-section">Snippets Archive</h2><p style="text-align:justify">These snippets, while useful and interesting, didn't quite make it into the repository due to either having very specific use-cases or being outdated. However we felt like they might still be useful to some readers, so here they are.</p><br/></div></div><div class="row"><div class="col-sm-12 col-md-10 col-lg-8 col-md-offset-1 col-lg-offset-2"><div class="card fluid"><h3 id="binarysearch.md" class="section double-padded">binarySearch</h3><div class="section double-padded"><p>Use recursion. Similar to <code>Array.indexOf()</code> that finds the index of a value within an array. The difference being this operation only works with sorted arrays which offers a major performance boost due to it's logarithmic nature when compared to a linear search or <code>Array.indexOf()</code>.</p><p>Search a sorted array by repeatedly dividing the search interval in half. Begin with an interval covering the whole array. If the value of the search is less than the item in the middle of the interval, recurse into the lower half. Otherwise recurse into the upper half. Repeatedly recurse until the value is found which is the mid or you've recursed to a point that is greater than the length which means the value doesn't exist and return <code>-1</code>.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">binarySearch</span> <span class="token operator">=</span> <span class="token punctuation">(</span>arr<span class="token punctuation">,</span> val<span class="token punctuation">,</span> start <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">,</span> end <span class="token operator">=</span> arr<span class="token punctuation">.</span>length <span class="token operator">-</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
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<span class="token keyword">if</span> <span class="token punctuation">(</span>start <span class="token operator">></span> end<span class="token punctuation">)</span> <span class="token keyword">return</span> <span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">;</span>
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<span class="token keyword">const</span> mid <span class="token operator">=</span> Math<span class="token punctuation">.</span><span class="token function">floor</span><span class="token punctuation">((</span>start <span class="token operator">+</span> end<span class="token punctuation">)</span> <span class="token operator">/</span> <span class="token number">2</span><span class="token punctuation">);</span>
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<span class="token keyword">if</span> <span class="token punctuation">(</span>arr<span class="token punctuation">[</span>mid<span class="token punctuation">]</span> <span class="token operator">></span> val<span class="token punctuation">)</span> <span class="token keyword">return</span> <span class="token function">binarySearch</span><span class="token punctuation">(</span>arr<span class="token punctuation">,</span> val<span class="token punctuation">,</span> start<span class="token punctuation">,</span> mid <span class="token operator">-</span> <span class="token number">1</span><span class="token punctuation">);</span>
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