How to detect is argument jQuery object

Question

I want to create function that can be used either with Id or by passing jQuery object.

var $myVar = $('#myId');

myFunc($myVar);
myFunc('myId');

function myFunc(value)
{
    // check if value is jQuery or string
}

How can I detect what kind of argument was passed to the function?

Note! This question is not same. I don't want to pass selector string like #id.myClass. I want to pass the jQuery object like in the example.

Answer 1

function myFunc(value)
{
   if (typeof value == "string") {
      //it's a string
   }
   else if (value != null && typeof value == "object"} {
      //it's an object (presumably jQuery object)
   }
   else {
      //it's null or something else
   }


}