The data() method attaches data to, or gets data from, a selected element.

The get() method gets the DOM elements specified by the selector.

The index() method returns the index position of specified elements relative to other specified elements, and if not found, will return -1.

The noConflict() method releases jQuery’s control of the $ variable and can be used to specify a new custom name for the jQuery variable.

The param() method creates a serialized representation of an array or an object.

The removeData() method removes data previously set with the data() method.