title: Fastest way to access data
body: <p>I have a large text file, file1.txt(contains many numbers) and I need to access the data inside it would it faster to use an array of the numbers and use array indexing or use an object or whatever accesses the data the fastest.
  The file is like so,</p>
  
  <pre><code>    6.9883,
      7.673454,
      2.563745,
      etc...
  </code></pre>