prototype Element study notes (Element Part 3)_prototype

1. Filtering functions

ancestors, recursivelyCollect, descendants, firstDescendant, immediateDescendants, previousSiblings, nextSiblings, siblings, match, up, down, previous, next, select, adjacent.

2. Functions to add, delete and change elements

insert, update, remove, replace, wrap, cleanWhitespace

3. Functions to set various attributes of elements

visible, toggle, hidden, show, identify, readAttribute, writeAttribute, makeClipping, undoClipping

4. Style processing class functions

classNames, hasClassName, addClassName, removeClassName, toggleClassName, getStyle , setStyle, getOpacity, setOpacity.

5. Position processing functions

GetHeight, getWidth, scrollTo, getDimensions, makePositioned, undoPositioned, cumulativeOffset, positionedOffset, absolutize, relativize, cumulativeScrollOffset, getOffsetParent, viewportOffset, clonePosition.

6. Several functions that return Boolean type

empty, descendantOf, visible

7. Event management class

fire, observe, stopObserving

8. static function

extend

Basically these are the categories. However, regarding the position function, it can only be retrieved but not set, so the function is not perfect. The usage documentation for the search function here is not exhaustive. The key is how to write the selector.