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30secondsofcode
2018-01-17 07:24:58 +00:00
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README.md
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@ -3683,7 +3683,7 @@ round(1.005, 2); // 1.01
<br>[⬆ Back to top](#table-of-contents)
### sbdm
### sdbm
Hashes the input string into a whole number.

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@ -796,7 +796,7 @@ own individual rating by supplying it as the third argument.
</pre><label class="collapse">Show examples</label><pre class="language-js"><span class="token function">randomNumberInRange</span><span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">10</span><span class="token punctuation">);</span> <span class="token comment">// 6.0211363285087005</span>
</pre><button class="primary clipboard-copy">&#128203;&nbsp;Copy to clipboard</button></div></div><div class="card fluid"><h3 id="round" class="section double-padded">round</h3><div class="section double-padded"><p>Rounds a number to a specified amount of digits.</p><p>Use <code>Math.round()</code> and template literals to round the number to the specified number of digits. Omit the second argument, <code>decimals</code> to round to an integer.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">round</span> <span class="token operator">=</span> <span class="token punctuation">(</span>n<span class="token punctuation">,</span> decimals <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token function">Number</span><span class="token punctuation">(</span><span class="token template-string"><span class="token string">`${Math.round(`</span></span>$<span class="token punctuation">{</span>n<span class="token punctuation">}</span>e$<span class="token punctuation">{</span>decimals<span class="token punctuation">}</span><span class="token template-string"><span class="token string">`)}e-</span><span class="token interpolation"><span class="token interpolation-punctuation punctuation">${</span>decimals<span class="token interpolation-punctuation punctuation">}</span></span><span class="token string">`</span></span><span class="token punctuation">);</span>
</pre><label class="collapse">Show examples</label><pre class="language-js"><span class="token function">round</span><span class="token punctuation">(</span><span class="token number">1.005</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">);</span> <span class="token comment">// 1.01</span>
</pre><button class="primary clipboard-copy">&#128203;&nbsp;Copy to clipboard</button></div></div><div class="card fluid"><h3 id="sdbm" class="section double-padded">sbdm</h3><div class="section double-padded"><p>Hashes the input string into a whole number.</p><p>Use <code>String.split('')</code> and <code>Array.reduce()</code> to create a hash of the input string, utilizing bit shifting.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">sdbm</span> <span class="token operator">=</span> str <span class="token operator">=></span> <span class="token punctuation">{</span>
</pre><button class="primary clipboard-copy">&#128203;&nbsp;Copy to clipboard</button></div></div><div class="card fluid"><h3 id="sdbm" class="section double-padded">sdbm</h3><div class="section double-padded"><p>Hashes the input string into a whole number.</p><p>Use <code>String.split('')</code> and <code>Array.reduce()</code> to create a hash of the input string, utilizing bit shifting.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">sdbm</span> <span class="token operator">=</span> str <span class="token operator">=></span> <span class="token punctuation">{</span>
<span class="token keyword">let</span> arr <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token string">''</span><span class="token punctuation">);</span>
<span class="token keyword">return</span> arr<span class="token punctuation">.</span><span class="token function">reduce</span><span class="token punctuation">(
(</span>hashCode<span class="token punctuation">,</span> currentVal<span class="token punctuation">)</span> <span class="token operator">=></span>