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Testing different methods of checking whether an element is or is in another element. Start from the position where you have jquery objects. Make === or parentNodes a function call. Check that alternatives return the correct answer. Try with a container selector rather than element (the main advantage() of closest()). Without redundant check.

Testing different methods of checking whether an element is or is in another element. Start from the position where you have jquery objects. Make === or parentNodes a function call. Check that alternatives return the correct answer. Try with a container selector rather than element (the main advantage() of closest())

Testing different methods of checking whether an element is or is in another element. Start from the position where you have jquery objects. Make === or parentNodes a function call. Check that alternatives return the correct answer.

Testing different methods of checking whether an element is or is in another element. Start from the position where you have jquery objects. Make === or parentNodes a function call

Testing different methods of checking whether an element is or is in another element. Start from the position where you have jquery objects.

Testing different methods of checking whether an element is or is in another element. Start from the position where you have jquery objects.

Testing different methods of checking whether an element is or is in another element

Testing different methods of checking whether an element is or is in another element

Test on isEqual performance