| Method | Returns | Descriptions |
| $.all | boolean | Determines whether all the elements are boolean-equivalent to true, either directly or through computation by the provided iterator |
| $.any | boolean | Determines whether at least one element is boolean-equivalent to true, either directly or through computation by the provided iterator |
| $.detect | mixed | Finds the first element for which the iterator returns true |
| $.eachSlice | array | Groups items in chunks based on a given size, with last chunk being possibly smaller |
| $.inject | number | Incrementally builds a result value based on the successive results of the iterator. This can be used for array construction, numerical sums/averages, etc |
| $.invoke | array | Invokes the same method, with the same arguments, for all items in a collection. Returns the results of the method calls |
| $.max | array | Returns the maximum element (or element-based computation), or false if the enumeration is empty. Elements are either compared directly, or by first applying the iterator and comparing returned values |
| $.min | array | Returns the minimum element (or element-based computation), or false if the enumeration is empty. Elements are either compared directly, or by first applying the iterator and comparing returned values |
| $.partition | array | Partitions the elements in two groups: those regarded as true, and those considered false. By default, regular JavaScript boolean equivalence is used, but an iterator can be provided, that computes a boolean representation of the elements. |
| $.partition | array | Partitions the elements in two groups: those regarded as true, and those considered false. By default, regular JavaScript boolean equivalence is used, but an iterator can be provided, that computes a boolean representation of the elements. |
| $.pluck | array | Fetch the same property for all the elements and returns the property values |
| $.randomize | array | Returns a randomized version of an array |
| $.reject | array | Returns all the elements for which the iterator returned false |
| $.select | array | Returns all the elements for which the iterator returned true |
| $.sum | number | Returns the sum of a given array |
| $.zip | array | Zips together 2 sequences, providing an array of tuples. Each tuple contains one value per original sequence. Tuples can be converted to something else by applying the optional iterator on them. |
These methods are available with jQuery core.
| Method | Returns | Descriptions |
| $.each | array | A generic iterator function, which can be used to seamlessly iterate over both objects and arrays |
| $.find | array | Searches for all elements that match the specified expression. This method is a good way to find additional descendant elements with which to process |
| $.grep | array | Filter items out of an array, by using a filter function |
| $.inArray | number | Determine the index of the first parameter in the Array (-1 if not found) |
| $.merge | array | Merge two arrays together. Removing all duplicates is removed in jQuery 1.1.3 |
| $.map | array | Translate all items in an array to another array of items |
| $.slice | array | Selects a subset of the matched elements |
| $.unique | array | Remove all duplicate elements from an array of elements |
| $.size | number | Return the size of a collection or an array |
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