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2017-12-30 11:00:08 +00:00
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@ -845,4 +845,4 @@ console.log(sdbm('age')); // 808122783
</code></pre><pre><code class="language-js">toOrdinalSuffix('123'); // &quot;123rd&quot;
</code></pre></div></div><br/><div class="card fluid"><div class="section double-padded"><h3 id="validatenumber">validateNumber</h3></div><div class="section double-padded"><p>Returns <code>true</code> if the given value is a number, <code>false</code> otherwise.</p><p>Use <code>!isNaN</code> in combination with <code>parseFloat()</code> to check if the argument is a number. Use <code>isFinite()</code> to check if the number is finite. Use <code>Number()</code> to check if the coercion holds.</p><pre><code class="language-js">const validateNumber = n =&gt; !isNaN(parseFloat(n)) &amp;&amp; isFinite(n) &amp;&amp; Number(n) == n;
</code></pre><pre><code class="language-js">validateNumber('10'); // true
</code></pre></div></div><br/><footer><p style="display:inline-block"><strong>30 seconds of code</strong> is licensed under the <a href="https://github.com/Chalarangelo/30-seconds-of-code/blob/master/LICENSE">CC0-1.0</a> license.<br/>Icons made by <a href="https://www.flaticon.com/authors/smashicons">Smashicons</a> from <a href="https://www.flaticon.com/">www.flaticon.com</a> is licensed by <a href="http://creativecommons.org/licenses/by/3.0/">CC 3.0 BY</a>.<br/>Ribbon made by <a href="https://github.com/tholman/github-corners">Tim Holman</a> is licensed by <a href="https://opensource.org/licenses/MIT">The MIT License</a><br/>Built with the <a href="https://minicss.org">mini.css framework</a>.</p><a href="#top"><span style="display:inline-block;float:right;padding-right:2em">Back to top</span></a></footer></main></div><script src="prism.js"></script></body></html>
</code></pre></div></div><br/><footer><p style="display:inline-block"><strong>30 seconds of code</strong> is licensed under the <a href="https://github.com/Chalarangelo/30-seconds-of-code/blob/master/LICENSE">CC0-1.0</a> license.<br/>Icons made by <a href="https://www.flaticon.com/authors/smashicons">Smashicons</a> from <a href="https://www.flaticon.com/">www.flaticon.com</a> is licensed by <a href="http://creativecommons.org/licenses/by/3.0/">CC 3.0 BY</a>.<br/>Ribbon made by <a href="https://github.com/tholman/github-corners">Tim Holman</a> is licensed by <a href="https://opensource.org/licenses/MIT">The MIT License</a><br/>Built with the <a href="https://minicss.org">mini.css framework</a>.</p><a href="#top"><span style="display:inline-block;float:right;padding-right:2em">Back to top</span></a></footer></main></div><script src="prism.js"></script></body></html>