JavaScript - Array concat() Method


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Description

Javascript array concat() method returns a new array comprised of this array joined with two or more arrays.

Syntax

The syntax of concat() method is as follows −

array.concat(value1, value2, ..., valueN);

valueN − Arrays and/or values to concatenate to the resulting array.

Return Value

Returns the length of the array.

Example

Try the following example.

<html>
   <head>
      <title>JavaScript Array concat Method</title>
   </head>
   
   <body>
   
      <script type="text/javascript">
         var alpha = ["a", "b", "c"];
         var numeric = [1, 2, 3];

         var alphaNumeric = alpha.concat(numeric);
         document.write("alphaNumeric : " + alphaNumeric ); 
      </script>
      
   </body>
</html>

Output

alphaNumeric : a,b,c,1,2,3 

javascript_arrays_object.htm