.jquery
A string containing the jQuery version number.
.jquery()π‘’ String
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".
Determine if an object is a jQuery object
HTML
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!");
}
DEMO
Get the current version of jQuery running on the page
HTML
alert("You are running jQuery version: " + $.fn.jquery);
DEMO