1.
 Properties that contain functions are generally called <code>methods</code> of the value they 
 belong to, as in “toUpperCase is a method of a string”.
<pre><code> let doh = "Doh";
 console.log(typeof doh.toUpperCase);
 // → function
 console.log(doh.toUpperCase());
 // → DOH
</code></pre>

1.
     
   Properties that contain functions are generally called `methods` of the value they 
   belong to, as in “toUpperCase is a method of a string”.
       
          let doh = "Doh";
          console.log(typeof doh.toUpperCase);
          // → function
          console.log(doh.toUpperCase());
          // → DOH

JS Methods, Arrays, Objects