title: Take out first and last letter in every element in array(javascript)
body: <pre><code>var array1 = ["hello", "sam", "how"];
  
  var emptyArray2 = [];
  
  array1.join(" ");
  </code></pre>
  
  <p>I need to take out first letter and last letter of every element in array1 and push it to emptyArray2. I dont know what to do after converting it to a string. I think i need to use a for loop to go through it , then how would I pull out the first and last letter in every element and push to emptyArray2? </p>