title: how to get key names and length of nested json's in java script
body: <p>Using JavaScript, I get the following JSON from my API. </p>
  
  <pre><code>abc: {
      a: {
          name: "ascs"
      },
      b: {
          name: "sddd"
      },
      c: {
          name: "wede"
      }
  }
  </code></pre>
  
  <p>I need to find following:</p>
  
  <ol>
  <li><p>How do calculate length of json inside abc JSON ? </p></li>
  <li><p>How do i get keys name [a,b,c] from abc JSON ?</p></li>
  </ol>
  
  <p>if i have another json :</p>
  
  <pre><code>data : {
  "5.5": {
  name :"bhagvat"
   }
  }
  </code></pre>
  
  <ol>
  <li>in above case how do i get the value of name ?</li>
  </ol>
  
  <p>(how to deal with float keys)? i try with ===> data."5.5".name </p>