jQuery 1.4 Animation Techniques - Index of

In the previous screenshot we can see that the element is now twice its original size.
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Chapter 9
The previous code symmetrically scales the target element along both the x and y axes.
These values are unit-less in all supporting browsers, and the value 0 cannot be specified.
Integers or floating-point numbers may be provided, and the scaling may be asymmetrical
if necessary.
An interesting effect of scaling is that providing negative values cause the element to be
reversed, and not shrunk, as we may intuitively surmise. So if we were to provide -2 and -2
as the first and fourth values in the previous code-snippet, the element would be reflected
both vertically and horizontally, as well as being made twice its original size. We can even
supply a combination of positive and negative values for this type of transformation.
A reflected element would appear like this:
The element is reversed along both its x and y axes, as if it were being viewed upside
down in a mirror. This could be hugely useful if, for example, we were implementing
pure-CSS reflections.