Q. Where do use join() method ?

किसी array के element को string में convert करने के लिए join() Method का Use करते हैं

• 
  

  Example

  
  
  <script>

  var a = ["Apple", "Ball", "Cat", "Dog"];
   document.write(" <b>Before Medhod :  </b>"+a+" <b> and Data Type is :  </b>"+typeof a +" <br>");
   var b = a.join()
   document.write(" <b>After Medhod :  </b>"+b+" <b> and Data Type is :  </b>"+typeof b +" <br>");
     

  </script>

  Out Put : Before Medhod : Apple,Ball,Cat,Dog and Data Type is : object
  After Medhod : Apple,Ball,Cat,Dog and Data Type is : string