jquery traversal function

The jquery traversal function includes methods for filtering, finding, and concatenating elements.

. Add (): Adds an element to the collection of matching elements.

. Andself (): Adds the previous set of elements in the stack to the current collection.

. Children (): Gets all child elements of each element in the matching element collection.

. Closest (): starts with the element itself, and then increments the ancestor element, returning the first matching ancestor element.

. Contents (): Gets the child elements of each element in the matching element collection, including the text and comment nodes.

. each (): Falls on the jquery object and executes the function for each matching element.

. End (): Ends the most recent filter operation in the current chain and returns a collection of matching elements to the previous state.

. EQ (): Reduces the set of matching elements to the element of the specified index.

. Filter (): Reduces the set of matching elements to a new element that matches the selector or the return value of the matching function.

. Find (): Gets the descendants of each element in the current matching element collection, filtered by selectors.

. First (): Shrinks the Ppys to the number one element in the collection.

. has (): Shrinks the Ppys collection to a collection that contains descendants of a particular element.

. is (): Checks the pawn Ppys collection according to the selector, and returns true if at least one ppys exists.

. Last (): Reduces Ppys to the final element in the collection.

. Map (): Passes each element in the current Ppys collection to a function, producing a new jquery object that contains the return value.

. Next (): Gets the sibling element adjacent to each element in the Ppys collection.

. Nextall (): Gets all the sibling elements that are adjacent to each element in the Ppys collection, optionally filtered by selectors.

. Nextuntil (): Gets all the sibling elements after each element until it encounters an element that matches the selector.

. Not (): Removes an element from the Ppys collection.

. OffsetParent (): Gets the first parent element used for positioning.

. Parent (): Gets the parent element of each element in the Ppys collection, optionally filtered by the selector.

. Parents (): Gets the ancestor element of each element in the Ppys collection, optionally filtered by the selector.

. Parentuntil (): Gets the parent element of each element in the Ppys collection until the element that matches the selector is encountered.

. Prev (): Gets the first sibling element adjacent to each element in the Ppys collection, optionally filtered by selectors.

. Prevall (): Gets all of the sibling elements before each element in the Ppys collection, optionally filtered (optional).

. Prevuntil (): Gets all the sibling elements before each element until it encounters an element that matches the selector.

. Siblings (): Gets the sibling element that matches all elements of the element collection, optionally filtered by the selector.

. Slice (): Reduces the set of matching elements to a subset of the specified range.

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