jqueryReturns: String
Description: A string containing the jQuery version number.
version added: 1.0jquery
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:
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!" );
} Get the current version of jQuery running on the page
alert( "You are running jQuery version: " + $.fn.jquery );