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Angelos Chalaris
2018-04-07 20:25:56 +03:00
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</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="truncatestring.md" class="section double-padded">truncateString</h3><div class="section double-padded"><p>Truncates a string up to a specified length.</p><p>Determine if the string's <code>length</code> is greater than <code>num</code>. Return the string truncated to the desired length, with <code>'...'</code> appended to the end or the original string.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">truncateString</span> <span class="token operator">=</span> <span class="token punctuation">(</span>str<span class="token punctuation">,</span> num<span class="token punctuation">)</span> <span class="token operator">=></span>
str<span class="token punctuation">.</span>length <span class="token operator">></span> num <span class="token operator">?</span> str<span class="token punctuation">.</span><span class="token function">slice</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">,</span> num <span class="token operator">></span> <span class="token number">3</span> <span class="token operator">?</span> num <span class="token operator">-</span> <span class="token number">3</span> <span class="token punctuation">:</span> num<span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">'...'</span> <span class="token punctuation">:</span> str<span class="token punctuation">;</span>
</pre><label class="collapse">Show examples</label><pre class="language-js"><span class="token function">truncateString</span><span class="token punctuation">(</span><span class="token string">'boomerang'</span><span class="token punctuation">,</span> <span class="token number">7</span><span class="token punctuation">);</span> <span class="token comment">// 'boom...'</span>
</pre><button class="primary clipboard-copy">&#128203;&nbsp;Copy to clipboard</button></div></div></div></div></div><button class="scroll-to-top">&uarr;</button><br/><footer class="container"><div class="row"><div class="col-sm-12 col-md-10 col-lg-8 col-md-offset-1 col-lg-offset-2"><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></div></div></footer></body></html>
</pre><button class="primary clipboard-copy">&#128203;&nbsp;Copy to clipboard</button></div></div></div></div></div><button class="scroll-to-top">&uarr;</button><br/><footer class="container"><div class="row"><div class="col-sm-12 col-md-10 col-lg-8 col-md-offset-1 col-lg-offset-2"><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> are licensed under the <a href="http://creativecommons.org/licenses/by/3.0/">CC 3.0 BY</a> license.<br>Ribbon made by <a href="https://github.com/tholman/github-corners">Tim Holman</a> is licensed under the <a href="https://opensource.org/licenses/MIT">MIT</a> license.<br>Built with the <a href="https://minicss.org">mini.css framework</a>.</p></div></div></footer></body></html>