.context

The DOM node context originally passed to jQuery(); if none was passed then context will likely be the document.

.jquery

A string containing the jQuery version number.

jQuery.browser

Contains flags for the useragent, read from navigator.userAgent. This property was removed in jQuery 1.9 and is available only through the jQuery.migrate plugin. Please try to use feature detection instead.

jQuery.fx.interval

The rate (in milliseconds) at which animations fire.

jQuery.fx.off

Globally disable all animations.

jQuery.holdReady()

Holds or releases the execution of jQuery’s ready event.

jQuery.ready

A Promise-like object (or “thenable”) that resolves when the document is ready.

jQuery.support

A collection of properties that represent the presence of different browser features or bugs; intended for jQuery’s internal use.

.length

The number of elements in the jQuery object.

.selector

A selector representing selector passed to jQuery(), if any, when creating the original set.

@jQuery API