Learning jQuery - Fourth Edition

Miscellaneous properties and functions

These utility methods do not fit neatly into the previous categories, but are often very useful when writing scripts using jQuery.

Properties of the jQuery object

Property	Description
$.support	Returns an object containing properties indicating whether the browser supports various features and standards.

Arrays and objects

Function	Description
$.each(collection, callback)	Iterates over collection, executing callback for each item.
$.extend(target, addition, ...)	Modifies the object target by adding properties from the other supplied objects.
$.grep(array, callback, [invert])	Filters array by using callback as a test.
$.makeArray(object)	Converts object into an array.
$.map(array, ...