How to understand the skew attribute value of CSS3 transform

This article focuses on "how to understand the skew attribute value of CSS3 transform". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to understand the skew attribute value of CSS3 transform.

First of all, let's talk about how the coordinate system is built during the transformation, as shown in the following figure (transform-origin:0px 0px;).

Since skew (...) In parentheses is the angle of rotation of the axis, so let's talk about the positive direction of rotation. The y axis turns positive clockwise and the X axis turns positive counterclockwise.

After that, the figure can be determined, because the position of the two axes is determined, and then it can be determined by affine transformation.

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