How to turn JavaScript array into the comma-separated list?

Javascript Web Development Front End Technology

To turn JavaScript array into a comma-separated list, use the Array.join() method. JavaScript array join() method joins all the elements of an array into a string. The following is the syntax −

Syntax

array.join(separator);

The following is the parameter −

separator − Specifies a string to separate each element of the array. If omitted, the array elements are separated by a comma.

Example

You can try to run the following code to turn JavaScript array into a comma-separated list −

Live Demo

<html>
   <head>
      <title>JavaScript Array join Method</title>
   </head>

   <body>
      <script>
         var arr = new Array("Java","PHP","Ruby");
         var str = arr.join();
         document.write("str : " + str );
         var str = arr.join(", ");
         document.write("<br />str : " + str );
      </script>
   </body>
</html>

Ayyan

Published on 18-Jan-2018 12:44:34

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