Use js to implement CSS rounded corner generation and update_javascript skills

Use js to generate arbitrary rounded corners. The next step is to add right-angle chamfers, fillet chamfers to the outside, external chamfers to the outside, as well as border processing, shadow generation, and softening processing, which will be the focus and difficulty in the future.

<div id="modul"> <div id="contentbox"> <div id="content" style="margin:40px;">The basic people of China Engineering Industry are still lost. The scholar-officials and the scholar-officials use all kinds of tricks to seize the chess. Some people test some I don’t want to believe. There are many ways to mold the tools to seize the chess, and the engineers are still far away. Scholar-officials, the scholars, have all kinds of tricks to seize the chess, and there are many people who are testing. Some of them I don’t want to believe. The chess game is full of patterns, molded weapons and chess pieces</div> </div> </div>
[Ctrl A select all Note: If you need to introduce external Js, you need to refresh to execute

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