title: call a function in javascript as global function
body: <p>I have a main function in javascript that is function a() { some code here } and I also have a child function in this main function that looks like</p>
  
  <pre><code>function a() {
  
      function b() {
  
          // some code here
      }
  
  }
  </code></pre>
  
  <p>now I want to call the function b directly. then how to do this.</p>