.jquery
jquery Returns: String
Description: A string containing the jQuery version number.
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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:
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 );