Read array using for -in - genius student


  • for-in can read all values in a array one by one without using its length.
  • Loop execute until get last value of the array.
Syntax
for(variable in object) {
  statements;
}

Code:-

<!DOCTYPE html>
<html>

<head>
 <meta name="viewport" content="width=device-width, initial-scale=1">
</head>

<body>

 <input type="button" value="for in array" onclick="read_array();">

 <script>
  function read_array()
  {
   var ar = [2, 4, 5, 2, 7, 48, 234];

   for (i in ar)
   {
    alert(ar[i]);
   }
  }
 </script>
</body>

</html>
Read array using for -in - genius student Read array using for -in - genius student Reviewed by Network security on October 14, 2019 Rating: 5

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