title: Find the shortest string in array
body: <p>How can i find the shortest string in javascript array with different count of array elements? 
  I used </p>
  
  <pre><code>var min = Math.min(arr[0].length,arr[1].length,arr[2].length);
  </code></pre>
  
  <p>and i have result like shortest string between 3 elements of array. But I don't want to care about numbers of elements</p>