title: Why JavaScript cannot properly calculate 9 ** 1/2? The output is 4.5 instead of 3
body: <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>console.log(Math.pow(9, 1 / 2) === 9 ** 1 / 2) // false
  
  console.log(9 ** 1 / 2) // 4.5</code></pre>
  </div>
  </div>
  </p>