1. -3

    your wishlist has a name, jQuery

    1. 8

      Neither constructive nor accurate.

      The proposed cursorX or cursorY value, for example, would immensely simplify implementing a magnifying glass or Pikachu chasing the mouse cursor or whatever.

      The :parent selector, while annoying in implementation for browser devs, would help a lot with certain clever effects (easiest being, say, drag-and-drop) when used properly.

      round, floor, and clamp speak for themselves.

      “lol use jQuery” would imply adding a nontrivial amount of javascript and dependencies for use cases that are really obviously common at this point.