There're different ways: obj instanceof jQuery obj && obj.constructor == jQuery obj && obj.jquery
And any other possible attribute sniffing, 'jquery' is obviously the safest. -- Ariel Flesler http://flesler.blogspot.com On Jan 5, 7:08 pm, Eric Garside <gars...@gmail.com> wrote: > This sort of thing can happen a lot if you're writing functions which > take multiple inputs, based on convenience. Being "in control" of your > code shouldn't be a fascist thing like you're describing, where > there's only one way in which everything can or should happen. Having > openness in parameters is always a good thing. > > And with that, you'll want to use "instanceof" to solve the problem. > > var someObj = document.getElementById('div1'), otherObj = $('<div > id="div2"></div>'), thirdObj = {}; > > if (someObj instanceof jQuery); // false > if (otherObj instanceof jQuery); // true > if (thirdObj instanceof jQuery); // false > > Whereas all options return "object" in a typeof check, instanceof > allows you to compare an object with an instantiation object, like > jQuery. > > On Jan 5, 3:57 pm, MorningZ <morni...@gmail.com> wrote: > > > I'm trying to grasp the concept of need for this check > > > What's a situation where you would wonder what it is? Are you not in > > control of your own code or something? > > > On Jan 5, 3:53 pm, "Andy Matthews" <amatth...@dealerskins.com> wrote: > > > > How can I test to see if something is a jQuery object, or a normal > > > JavaScript object? > > > > andy > >
