In some projects, jQuery is not included as a file with an obvious version number (if it has been run through a minifier or other code bundler, for example). How can you detect programmatically what version of jQuery is active?

Which property of the jQuery event object references the DOM object that dispatched an event?

JQuery can create event handlers that execute exactly once. How is this done?

You want to implement the behavior of an effect like slideDown() manually using animate(). What is one critical point you need to remember?

What is the main difference between the contents() and children() functions?

What keyword would you use to refer to the object on which the currently executing method has been invoked?

What does every selector expression return?

What is the END STATE STYLE of the paragraph element in the code $('p').hide(); ?

The selector :disabled will perform the following:

$(function(){ //executable code }); The executable code will be run: