The low-level nature of the DOM API, incorrect application of methods and programming patterns, and lack of knowledge of the full API all contributed to the increase in the number of code lines.

DOM API 的低级本质、方法和编程模式的不正确应用以及缺乏完整 API 的知识，都会致使代码行数增加。

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That means understanding the low level aspects of it (solid knowledge of HTTP, and protocols and networking in general would help tremendously).

这意味着要理解底层的知识(熟知HTTP、协议和网络通常会有较大的帮助)。

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For example, low-level details on the page can be hidden from users with little or basic knowledge of the concept since they may not be ready for that level of detail.

比如，页面上更底层的细节就可以对那些对此概念知之甚少或只具有基本知识的用户隐藏，因为这些用户往往不会关心如此详细的信息。

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