The $ dollar sign

Question

I have something simple like this:

$(selector).append("somestuff");

But since I\'m going to reuse the selector I cache it with:

Answer 1

"$" is a function in jQuery. So when you call $(selector), you're actually calling the function $ with selector as the argument.

Generally, don't use the "$" as part of a variable name for javascript. You will only confuse yourself.