Which of the following is an example of a cross-browser compatible way of binding click events?

The code snippet:

Which statement returns the number of matched elements of $('.class1')?

Using an element of some kind that is being hidden using .hide() and shown via .show(). Which is the best way to determine if that element is currently hidden or visible on the screen?

Which is the correct way to get HTML encoded value for any tag which function can be used?

Right way to access the contents of an iframe using jQuery?

Which will select a particular option in a element using its index? The code snippet: $('#table1 tr:odd').addClass('oddRow'); $('#table1 tr:even').addClass('evenRow'); The result of the above code snippet is ___. Is this code snippet a valid ajax request? $.ajax({data: {'name': 'jQuery'},}); Which statement return(s) a set of p tags that contain 'jQuery'? Which statement return(s) a set of even rows?