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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