# .jquery

## jquery ( ) Returns: String version added: 1.0

Description: A string containing the jQuery version number.

The `.jquery` property is assigned to the jQuery prototype, commonly referred to by its alias `$.fn`. It is a string containing the version number of `jQuery`, such as "1.5.0" or "1.4.4".

## Examples:

#### Example: Determine if an object is a jQuery object

    var a = { what: "A regular JS object" },
      b = $( "body" );

    if ( a.jquery ) { // Falsy, since it's undefined
      alert( "a is a jQuery object!" );
    }

    if ( b.jquery ) { // Truthy, since it's a string
        alert( "b is a jQuery object!" );
    }

#### Example: Get the current version of jQuery running on the page

    alert( "You are running jQuery version: " + $.fn.jquery );