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2018-10-16 10:57:06 +00:00
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@ -277,4 +277,6 @@
window<span class="token punctuation">.</span>speechSynthesis<span class="token punctuation">.</span><span class="token function">speak</span><span class="token punctuation">(</span>msg<span class="token punctuation">);
};</span>
</pre><label class="collapse">examples</label><pre class="section card-examples language-js"><span class="token function">speechSynthesis</span><span class="token punctuation">(</span><span class="token string">'Hello, World'</span><span class="token punctuation">);</span> <span class="token comment">// // plays the message</span>
</pre></div><div class="card code-card"><div class="section card-content"><h4 id="squaresum.md">squareSum</h4><p>Squares each number in an array and then sums the results together.</p><p>Use <code>Array.prototype.reduce()</code> in combination with <code>Math.pow()</code> to iterate over numbers and sum their squares into an accumulator.</p></div><div class="copy-button-container"><button class="copy-button" aria-label="Copy to clipboard"></button></div><pre class="section card-code language-js"><span class="token keyword">const</span> <span class="token function-variable function">squareSum</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token operator">...</span>args<span class="token punctuation">)</span> <span class="token operator">=></span> args<span class="token punctuation">.</span><span class="token function">reduce</span><span class="token punctuation">((</span>squareSum<span class="token punctuation">,</span> number<span class="token punctuation">)</span> <span class="token operator">=></span> squareSum <span class="token operator">+</span> Math<span class="token punctuation">.</span><span class="token function">pow</span><span class="token punctuation">(</span>number<span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">),</span> <span class="token number">0</span><span class="token punctuation">);</span>
</pre><label class="collapse">examples</label><pre class="section card-examples language-js"><span class="token function">squareSum</span><span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">);</span> <span class="token comment">// 9</span>
</pre></div></main><footer class="col-full-width container"><div class="col-centered"><p style="display:inline-block"><strong>30 seconds of code</strong> is licensed under the <a href="https://github.com/30-seconds/30-seconds-of-code/blob/master/LICENSE">CC0-1.0</a> license.<br>Logos made by <a href="https://github.com/Chalarangelo">Angelos Chalaris</a> and ribbon made by <a href="https://github.com/tholman/github-corners">Tim Holman</a> are licensed under the <a href="https://opensource.org/licenses/MIT">MIT</a> license.<br>Sponsored by <img src="https://30secondsofcode.org/sponsors/DO_Logo_icon_blue.svg" style="vertical-align:sub;padding-right:2px;padding-left:2px" width="20px" height="20px" alt="DigitalOcean"><a href="https://www.digitalocean.com"><span style="color:#0080ff">DigitalOcean</span></a>.</p><br/><p style="display:inline-block"><a href="./about">About</a>&nbsp;&nbsp;&nbsp;&nbsp;<a href="./contributing">Contributing</a>&nbsp;&nbsp;&nbsp;&nbsp;<a href="./archive">Archive</a>&nbsp;&nbsp;&nbsp;&nbsp;<a href="./glossary">Glossary</a></p></div></footer><a class="scroll-to-top" href="#top"></a></div></body></html>