Use js to generate and update CSS rounded corners

Use js to generate any rounded corner. The next step is to add a right-angle guide, an external corner, an external corner guide, border processing, shadow generation, and softening processing. The employee is far away from the loss of the staff, the experts, the experts in the game industry, the experts are far away from the loss of the experts, the doctors, the doctors, the tricks, the experts, the experts A hundred out-of-the-box game device wins a game; a hundred out-of-the-box game device wins a game <p>
[Ctrl + A select all Note: If you need to introduce external JS, You need to refresh it to execute]