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30secondsofcode
2018-05-02 17:21:29 +00:00
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@ -65,7 +65,9 @@
<span class="token operator">?</span> <span class="token punctuation">(()</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
<span class="token keyword">throw new</span> <span class="token class-name">TypeError</span><span class="token punctuation">(</span><span class="token string">'Negative numbers are not allowed!'</span><span class="token punctuation">);
})()
:</span> n <span class="token operator">&lt;=</span> <span class="token number">1</span> <span class="token operator">?</span> <span class="token number">1</span> <span class="token punctuation">:</span> n <span class="token operator">*</span> <span class="token function">factorial</span><span class="token punctuation">(</span>n <span class="token operator">-</span> <span class="token number">1</span><span class="token punctuation">);</span>
:</span> n <span class="token operator">&lt;=</span> <span class="token number">1</span>
<span class="token operator">?</span> <span class="token number">1</span>
<span class="token punctuation">:</span> n <span class="token operator">*</span> <span class="token function">factorial</span><span class="token punctuation">(</span>n <span class="token operator">-</span> <span class="token number">1</span><span class="token punctuation">);</span>
</pre><label class="collapse">Show examples</label><pre class="language-js"><span class="token function">factorial</span><span class="token punctuation">(</span><span class="token number">6</span><span class="token punctuation">);</span> <span class="token comment">// 720</span>
</pre><button class="primary clipboard-copy">&#128203;&nbsp;Copy to clipboard</button></div></div></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="fibonacci.md" class="section double-padded">fibonacci</h3><div class="section double-padded"><p>Generates an array, containing the Fibonacci sequence, up until the nth term.</p><p>Create an empty array of the specific length, initializing the first two values (<code>0</code> and <code>1</code>). Use <code>Array.reduce()</code> to add values into the array, using the sum of the last two values, except for the first two.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">fibonacci</span> <span class="token operator">=</span> n <span class="token operator">=></span>
Array<span class="token punctuation">.</span><span class="token keyword">from</span><span class="token punctuation">({</span> length<span class="token punctuation">:</span> n <span class="token punctuation">}).</span><span class="token function">reduce</span><span class="token punctuation">(
@ -84,7 +86,11 @@
</pre><button class="primary clipboard-copy">&#128203;&nbsp;Copy to clipboard</button></div></div></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="getmeridiemsuffixofinteger.md" class="section double-padded">getMeridiemSuffixOfInteger</h3><div class="section double-padded"><p>Converts an integer to a suffixed string, adding <code>am</code> or <code>pm</code> based on its value.</p><p>Use the modulo operator (<code>%</code>) and conditional checks to transform an integer to a stringified 12-hour format with meridiem suffix.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">getMeridiemSuffixOfInteger</span> <span class="token operator">=</span> num <span class="token operator">=></span>
num <span class="token operator">===</span> <span class="token number">0</span> <span class="token operator">||</span> num <span class="token operator">===</span> <span class="token number">24</span>
<span class="token operator">?</span> <span class="token number">12</span> <span class="token operator">+</span> <span class="token string">'am'</span>
<span class="token punctuation">:</span> num <span class="token operator">===</span> <span class="token number">12</span> <span class="token operator">?</span> <span class="token number">12</span> <span class="token operator">+</span> <span class="token string">'pm'</span> <span class="token punctuation">:</span> num <span class="token operator">&lt;</span> <span class="token number">12</span> <span class="token operator">?</span> num <span class="token operator">%</span> <span class="token number">12</span> <span class="token operator">+</span> <span class="token string">'am'</span> <span class="token punctuation">:</span> num <span class="token operator">%</span> <span class="token number">12</span> <span class="token operator">+</span> <span class="token string">'pm'</span><span class="token punctuation">;</span>
<span class="token punctuation">:</span> num <span class="token operator">===</span> <span class="token number">12</span>
<span class="token operator">?</span> <span class="token number">12</span> <span class="token operator">+</span> <span class="token string">'pm'</span>
<span class="token punctuation">:</span> num <span class="token operator">&lt;</span> <span class="token number">12</span>
<span class="token operator">?</span> num <span class="token operator">%</span> <span class="token number">12</span> <span class="token operator">+</span> <span class="token string">'am'</span>
<span class="token punctuation">:</span> num <span class="token operator">%</span> <span class="token number">12</span> <span class="token operator">+</span> <span class="token string">'pm'</span><span class="token punctuation">;</span>
</pre><label class="collapse">Show examples</label><pre class="language-js"><span class="token function">getMeridiemSuffixOfInteger</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">);</span> <span class="token comment">// "12am"</span>
<span class="token function">getMeridiemSuffixOfInteger</span><span class="token punctuation">(</span><span class="token number">11</span><span class="token punctuation">);</span> <span class="token comment">// "11am"</span>
<span class="token function">getMeridiemSuffixOfInteger</span><span class="token punctuation">(</span><span class="token number">13</span><span class="token punctuation">);</span> <span class="token comment">// "1pm"</span>