The latest articles on DEV Community by harkirat singh (@hkirat). https://dev.to/hkirat https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F371261%2Fca33e4b5-3fdf-40bc-898c-a3b4cc0e1faf.png https://dev.to/hkirat en harkirat singh Fri, 22 May 2020 02:25:38 +0000 https://dev.to/hkirat/initialize-array-of-given-size-in-javascript-1f9e https://dev.to/hkirat/initialize-array-of-given-size-in-javascript-1f9e <p>If you want to initialize an array that you don't need to iterate over -<br> </p> <div class="highlight"><pre class="highlight javascript"><code><span class="nb">Array</span><span class="p">(</span><span class="mi">100</span><span class="p">)</span> <span class="nx">or</span> <span class="k">new</span> <span class="nb">Array</span><span class="p">(</span><span class="mi">100</span><span class="p">)</span> </code></pre></div> <p>If you do need to iterate over it -<br> </p> <div class="highlight"><pre class="highlight javascript"><code><span class="nb">Array</span><span class="p">.</span><span class="k">from</span><span class="p">({</span><span class="na">length</span><span class="p">:</span> <span class="mi">5</span><span class="p">},</span> <span class="p">(</span><span class="nx">v</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="o">=&gt;</span> <span class="nx">i</span><span class="p">)</span> </code></pre></div> javascript