jQuery containsPoint method

containspoint.coffee

# jQuery method to detect whether or not a point (x,y) is within the bounds of a jQuery element.
# Example usage: $("#container").containsPoint 100, 100

$.fn.containsPoint = (x, y) ->
  (@offset.left < x < @offset.left + @width()) and
    (@offset.top < y < @offset.top + @height())

containspoint.js

// jQuery method to detect whether or not a point (x,y) is within the bounds of a jQuery element.
// Example usage: $("#container").containsPoint(100, 100)

$.fn.containsPoint = function(x, y) {
  return ((this.offset.left < x && x < this.offset.left + this.width())) && ((this.offset.top < y && y < this.offset.top + this.height()));
};