# jQuery.isArray()

## jQuery.isArray ( obj ) Returns: boolean version added: 1.3

- obj
  Type: Object
  Object to test whether or not it is an array.

Description: Determine whether the argument is an array.

`$.isArray()` returns a Boolean indicating whether the object is a JavaScript array (not an array-like object, such as a jQuery object).

## Examples:

#### Example: Finds out if the parameter is an array.

    <!doctype html>
    <html lang="en">
    <head>
      <meta charset="utf-8">
      <title>css demo</title>

      <script src="//code.jquery.com/jquery-1.10.2.js"></script>
    </head>
    <body>

    Is [] an Array? <b></b>

    <script>

    $( "b" ).append( "" + $.isArray([]) );

    </script>

    </body>
    </html>

#### Demo: