Check whether a object is deferred or not? [duplicate]

Question

This question already has answers here:

How can I determine if a jQuery object is deferred? (3 answers)

Closed 8 years ago.

I need to check whether a object is Deferred or not using Jquery, how to check that?

Thanks in advance,

Madhu

Answer 1

The logic used internally by jQuery's when() method is

if(object && $.isFunction( object.promise )){
}

src: deferred.js