| Action | Effect |
| length() | Number of elements returned by the selector |
| width() | width of an element |
| height() | height of an element |
| position().left | x position of an element |
| position().top | -y position of an element |
| Action | Effect |
| length() | Number of elements returned by the selector |
| width() | width of an element |
| height() | height of an element |
| position().left | x position of an element |
| position().top | -y position of an element |